SANS Internet Stormcenter Daily Network/Cyber Security and Information Security Stormcast

Captive Portal Detection https://isc.sans.edu/diary/Captive%20Portal%20Detection/33172 Critical SolarWinds Serv-U Update https://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_2026-3_release_notes.htm Zimbra Update with Critical Security Fixes https://blog.zimbra.com/2026/07/patch-release-update-zimbra-10-1-20/ Apple Fixed Hide My E-Mail Leak https://www.404media.co/apple-fixes-hide-my-email-vulnerability-after-404-media-coverage/ My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

WordPress Exploitation Underway (CVE-2026-63030) https://isc.sans.edu/diary/WordPress%20Exploitation%20Underway%20%28CVE-2026-63030%29/33168 HOLLOWGRAPH: Turning Microsoft 365 Calendars into Covert Command-and-Control Channels https://www.group-ib.com/blog/hollowgraph-microsoft-365/ Gitea Vulnerablity CVE-2026-58443 https://github.com/go-gitea/gitea/security/advisories/GHSA-xxjv-752h-3vp2 My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

Scans for Hikvision Intelligent Security API https://isc.sans.edu/diary/Scans%20for%20Hikvision%20Intelligent%20Security%20API/33164 LG Monitor Spyware https://www.techradar.com/televisions/lgs-gaming-monitors-and-tvs-are-facing-a-user-revolt https://www.youtube.com/watch?v=Q9uefFYe6bM Huggingface Hack https://huggingface.co/blog/security-incident-july-2026 Wordpress Core RCE https://wp2shell.com

German Federal Information Security Office Analyzes Windows Hello for Business https://www.heise.de/en/news/BSI-dissects-Windows-Hello-Where-Microsoft-s-login-reaches-its-limits-11366125.html https://www.bsi.bund.de/SharedDocs/Downloads/EN/BSI/Publications/Studies/Windows_dissected/AP1_Windows-Hello-for-Business.pdf?__blob=publicationFile&v=7 NGINX Vulnerability https://my.f5.com/manage/s/article/K000162097 7-Zip XZ Decompression CVE-2026-14266 https://www.zerodayinitiative.com/advisories/ZDI-26-444/ My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

DShield SIEM Update https://isc.sans.edu/diary/Recent%20DShield%20SIEM%20Update/33156 Microsoft Patch Tuesday vs. Dell Intel Innovation Platform Framework (IPF) drivers https://support.microsoft.com/en-us/servicing/os/windows-11/2026/07/july-14-2026-kb5101650-os-builds-26200-8875-and-26100-8875 Zoom Account Takeover Patch https://www.zoom.com/en/trust/security-bulletin/zsb-26014/ Forgotten UEFI shims undermining Secure Boot https://www.welivesecurity.com/en/eset-research/forgotten-uefi-shims-undermining-secure-boot/ My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

Microsoft Patch Tuesday July 2026 - The AI Acopolypse is Here https://isc.sans.edu/diary/Microsoft%20Patch%20Tuesday%20July%202026%20-%20The%20AI%20Acopolypse%20is%20Here%20/33154 LegacyHive : Windows user profile service arbitrary hive load elevation of privileges vulnerability https://git.projectnightcrawler.dev/NightmareEclipse/LegacyHive Progress confirms ShareFile zero-day flaw behind Storage Zone shutdown https://www.bleepingcomputer.com/news/security/progress-confirms-sharefile-zero-day-flaw-behind-storage-zone-shutdown/ xAI/Grok Exfiltrating Data and Secrets https://cereblab.com My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

Someone Is Scanning for Your MCP Servers and AI Assistant Credentials https://isc.sans.edu/diary/Someone%20Is%20Scanning%20for%20Your%20MCP%20Servers%20and%20AI%20Assistant%20Credentials/33150 Improve Router Hygiene to Protect Against Russian State-Sponsored Targeting https://www.cisa.gov/news-events/cybersecurity-advisories/aa26-194a OAuth Client ID Spoofing https://www.proofpoint.com/us/blog/threat-insight/oauth-client-id-spoofing-why-fake-client-ids-are-gaining-traction-stealthy Vulnerability Resolved in Veeam Backup & Replication 12.3.2.4854 https://www.veeam.com/kb4869 My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

Progress Sharefile Emergency Shutdown Notice https://status.sharefile.com https://www.reddit.com/r/sysadmin/comments/1usohco/psa_shutdown_your_sharefile_storage_zone/ https://www.bleepingcomputer.com/news/security/progress-urges-sharefile-customers-to-shut-down-servers-over-credible-threat/ U-Boot Vulnerabilities https://www.binarly.io/blog/unfit-to-boot-breaking-u-boots-fit-signature-verification Nightmare Eclipse Releases Next Microsoft Defender Exploit https://blog.projectnightcrawler.dev/posts/2026-07-09-some-interesting-findings-in-windows-defender/ Cisco Increases Patch Cadence https://blogs.cisco.com/security/strengthening-the-foundation-a-predictable-customer-focused-response-to-ai-accelerated-vulnerability-discovery My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

_HELP_ME_ESCAPE_FROM_BELARUS_PLEASE_ [Guest Diary] https://isc.sans.edu/diary/_HELP_ME_ESCAPE_FROM_BELARUS_PLEASE_%20%5BGuest%20Diary%5D/33130 Apple Discontinuing Support for Encrypted Mac OS Extended disks in macOS 28 https://support.apple.com/en-us/125615 Google Chrome Update https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_01162222768.html Microsoft Patches Rogue Planet Vulnerability CVE-2026-50656 https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2026-50656/ My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

My Stack Simulator https://isc.sans.edu/diary/My%20Stack%20Simulator/33138 RootAsRole https://github.com/LeChatP/RootAsRole Hoymiles Inverter Vulnerability https://www.ccc.de/system/uploads/382/original/hoymiles_dtu_vuln.pdf Git Hash Chain Malleability https://arxiv.org/abs/2607.02820 My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

More Odd DNS Records: NIMLOC https://isc.sans.edu/diary/More%20Odd%20DNS%20Records%3A%20NIMLOC/33128 From Invoice to AnyDesk: Uncovering a Phishing Campaign Targeting Russian Aerospace Organizations https://www.seqrite.com/blog/from-invoice-to-anydesk-uncovering-a-phishing-campaign-targeting-russian-aerospace-organizations/ Tenda firmware (multiple versions) contains hidden authentication backdoor https://kb.cert.org/vuls/id/213560 GitLost: GitHub AI Agent Leak https://noma.security/wp-content/uploads/GitLostWorkflow_2.gif My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

RCS and DNS: The NAPTR Record https://isc.sans.edu/diary/RCS%20and%20DNS%3A%20The%20NAPTR%20Record/33124 OpenSSH 10.4 released https://seclists.org/oss-sec/2026/q3/62 Beyond Trust Advisory CVE-2026-40138 CVE-2026-40139 https://www.beyondtrust.com/trust-center/security-advisories/bt26-03 PolinRider: North Korea-Linked Supply Chain Campaign https://socket.dev/blog/polinrider-north-korea-linked-supply-chain-campaign-expands My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

Apple Updated Patch Policy https://www.reuters.com/business/apple-says-it-is-releasing-updates-early-response-ai-cybersecurity-concerns-2026-06-29/ T3MP3ST multi-agent offensive-security framework https://github.com/elder-plinius/T3MP3ST Seven FatFs bugs, one very large blast radius https://www.runzero.com/blog/fatfs-bugs/ OpenWRT Releases v25.12.5 https://github.com/openwrt/openwrt/releases My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

Why Ask Credentials If There Are Secret Codes? https://isc.sans.edu/diary/Why%20Ask%20Credentials%20If%20There%20Are%20Secret%20Codes%3F/33118 Adobe Patches and Updated Patch Release Policy https://helpx.adobe.com/security/Home.html https://blog.adobe.com/security/protecting-customers-faster-how-adobe-is-responding-to-ai-accelerated-vulnerability-discovery Google Chrome Update (link had issues loading while recording) https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0175352312.html Apple Hide My Email Vulnerability https://www.404media.co/apple-hide-my-email-vulnerability-reveals-peoples-real-email-addresses/ My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

June 2026 Apple Updates https://isc.sans.edu/diary/June%202026%20Apple%20Updates/33114 SimpleHelp Exploit used to reply TaskWeaver https://blackpointcyber.com/blog/a-djinn-in-the-machine-taskweavers-node-js-intrusion-chain/ DNS Tricks to Load Malware into Cloned Repository https://0din.ai/blog/clone-this-repo-and-i-own-your-machine My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

Adding some Automation to the favicon.ico method of Host Recon https://isc.sans.edu/diary/Adding%20some%20Automation%20to%20the%20favicon.ico%20method%20of%20Host%20Recon/33110 Russian Intelligence Services Continue to Target Commercial Messaging Applications https://www.ic3.gov/PSA/2026/PSA260626 Google Gemini CLI Vulnerability CVE-2026-12537 https://github.com/advisories/GHSA-jj69-4grx-fqj5 IPv6 Frag Escape https://github.com/sgkdev/ipv6_frag_escape My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

What do Ports Hear When Nobody's Listening? An Assessment of Automated Cybercrime https://isc.sans.edu/diary/What%20do%20Ports%20Hear%20When%20Nobody%27s%20Listening%3F%20An%20Assessment%20of%20Automated%20Cybercrime%20%5BGuest%20Diary%5D/33104 Linux Process Name Masquerading https://isc.sans.edu/diary/Linux+Process+Name+Masquerading/33102 Amazon Q VS Code Extension Vulnerability https://www.wiz.io/blog/amazon-q-vulnerability My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

CVE-2024-40766: The Patch Fixed the Bug. Nobody Fixed the Configuration. https://isc.sans.edu/diary/CVE-2024-40766%3A%20The%20Patch%20Fixed%20the%20Bug.%20Nobody%20Fixed%20the%20Configuration./33094 libssh2 - Out-of-Bounds Write via Unchecked packet_length in transport.c https://www.vulncheck.com/advisories/libssh2-out-of-bounds-write-via-unchecked-packet-length-in-transport-c PixelSmash Critical FFmpeg Vulnerability Turns Media Files into Weapons https://jfrog.com/blog/pixelsmash-critical-ffmpeg-vulnerability-turns-media-files-into-weapons/ My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

Webshells Remain Popular https://isc.sans.edu/diary/Webshells%20Remain%20Popular/33096 Safer pull_request_target defaults for GitHub Actions checkout https://github.blog/changelog/2026-06-18-safer-pull_request_target-defaults-for-github-actions-checkout/ Private Access Control Tokens https://cloudflare.net/news/news-details/2026/Cloudflare-Collaborates-With-Leading-Browsers-to-Develop-a-Privacy-First-Protocol-For-the-Global-Internet/default.aspx https://blog.cloudflare.com/eliminating-captchas-on-iphones-and-macs-using-new-standard/ Fortibleed Update https://socradar.io/resources/whitepapers/dismantling-fortibleed-inside-a-russian-fortinet-compromise-operation/ My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

eBanking Phishing Delivered Through IPv4-Mapped IPv6 Address https://isc.sans.edu/diary/eBanking%20Phishing%20Delivered%20Through%20IPv4-Mapped%20IPv6%20Address/33090 NGINX ngx_http_v3_module vulnerability CVE-2026-42530 https://my.f5.com/manage/s/article/K000161616 Squidbleed (CVE-2026-47729) https://blog.calif.io/p/squidbleed-cve-2026-47729 AMD will reinstate memory encryption on Ryzen 9000 CPUs through a BIOS update in July https://www.tomshardware.com/pc-components/cpus/amd-will-reinstate-memory-encryption-on-ryzen-9000-cpus-through-a-bios-update-in-july-tsme-is-coming-back-after-valuable-community-feedback My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

The browser blind spot: Why your security tool may not be blocking what you think it is [Guest Diary] https://isc.sans.edu/diary/The%20browser%20blind%20spot%3A%20Why%20your%20security%20tool%20may%20not%20be%20blocking%20what%20you%20think%20it%20is%20%5BGuest%20Diary%5D/33084 Android 17 Security Patches https://source.android.com/docs/security/bulletin/android-17 Oracle Critical Security Patch Update Advisory - June 2026 https://www.oracle.com/security-alerts/cspujun2026.html Multiple JetBrains IDE plugins caught stealing AI keys https://www.aikido.dev/blog/multiple-jetbrains-ide-plugins-caught-stealing-ai-keys My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

From a VHDX File to a Remcos RAT https://isc.sans.edu/diary/From%20a%20VHDX%20File%20to%20a%20Remcos%20RAT/33080 A backdoor in a LinkedIn job offer https://roman.pt/posts/linkedin-backdoor/ A 27-Year-Old Authentication Bypass in OpenBSD's PPP Stack https://blog.argus-systems.ai/blog/openbsd-pap-27-year-auth-bypass.html Copilot M365 Data Leakage https://www.varonis.com/blog/searchleak My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

Evil MSI Background: BASE64 Statistical Analysis https://isc.sans.edu/diary/Evil%20MSI%20Background%3A%20BASE64%20Statistical%20Analysis/33072 Cisco Catalyst SD-WAN Manager Arbitrary File Write Vulnerability https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-arbfw-c2rZvQ TSME/SME not activating on Ryzen 7 9700X https://github.com/AMDESE/AMDSEV/issues/292 Deep-Research Agents Can Be Poisoned via User-Generated Content https://arxiv.org/pdf/2605.24245 My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

Atomic Arch: Attackers Hijack Trusted AUR Packages to Deliver Rootkit-Like Malware https://www.sonatype.com/blog/atomic-arch-npm-campaign-adds-malicious-dependency Why Use App-Level Auth When Every Database Has Auth? (Splunk Enterprise CVE-2026-20253 Pre-Auth RCE) https://labs.watchtowr.com/why-use-app-level-auth-when-every-database-has-auth-splunk-enterprise-cve-2026-20253-pre-auth-rce/ A Fake Bug Report Hijacks Your AI Coding Agent and Nothing Catches It. https://tenetsecurity.ai/blog/agentjacking-coding-agents-with-fake-sentry-errors/ My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

More Bitlocker Issues: GreatXML https://git.churchofmalware.org/Nightmare_Eclipse/GreatXML Security Advisory Ivanti Sentry (CVE-2026-10520, CVE-2026-10523) https://hub.ivanti.com/s/article/Security-Advisory-Ivanti-Sentry-CVE-2026-10520-CVE-2026-10523?language=en_US Oracle Security Alert Advisory - CVE-2026-35273 https://www.oracle.com/security-alerts/alert-cve-2026-35273.html https://www.bleepingcomputer.com/news/security/oracle-mitigates-peoplesoft-zero-day-exploited-in-data-theft-attacks/ How Deceptive Installers Are Targeting macOS Users https://www.huntress.com/blog/deceptive-installers-macos-infostealers My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

How has use of framing protection security headers changed in the past 3 years? https://isc.sans.edu/diary/How%20has%20use%20of%20framing%20protection%20security%20headers%20changed%20in%20the%20past%203%20years%3F/33068 Preparing for npm v12: install scripts and non-registry sources become opt-in https://github.com/orgs/community/discussions/198547 Adobe Patches https://helpx.adobe.com/security.html Rogue Planet new Microsoft Defender Vulnerability https://github.com/MSNightmare/RoguePlanet My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

Microsoft June 2026 Patch Tuesday https://isc.sans.edu/diary/Microsoft%20June%202026%20Patch%20Tuesday/33064 Miasma Software Supply Chain Attack Toolkit Source Published https://safedep.io/inside-the-miasma-supply-chain-attack-toolkit/ Fortinet FortiSandbox Vulnerability https://fortiguard.fortinet.com/psirt/FG-IR-26-141 My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

Azure Functions Action and 72 Other Repositories Disabled After Supply Chain Attack https://www.stepsecurity.io/blog/miasma-worm-hits-microsoft-again-azure-functions-action-and-72-other-repositories-disabled-after-supply-chain-attack-targeting-ai-coding-agents Active Exploitation of Check Point VPN Authentication Bypass (CVE-2026-50751) https://blog.checkpoint.com/security/check-point-releases-important-hotfix-for-vulnerabilities-in-deprecated-ikev1-vpn-protocol/ Missing IPsec Integrity Protection for IMS SIP Signaling in Verizon VoLTE Deployments https://kb.cert.org/vuls/id/615987 My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

The Evil MSI Background is Back! https://isc.sans.edu/diary/The%20Evil%20MSI%20Background%20is%20Back!/33054 The Smart TV in Your LivingRoom Is a Node in the AIScraping Economy https://blog.includesecurity.com/2026/06/the-smart-tv-in-your-livingroom-is-a-node-in-the-aiscraping-economy/ Brute force attack on Dashlane user accounts https://support.dashlane.com/hc/en-us/articles/36038764990866-Security-advisory-Brute-force-attack-on-Dashlane-user-accounts#update-jun-4 My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

Microsoft's Coreutils for Windows https://isc.sans.edu/diary/Microsoft%27s%20Coreutils%20for%20Windows/33048 Cisco Unified Communications Manager Server-Side Request Forgery Vulnerability CVE-2026-20230 https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cucm-ssrf-cXPnHcW Firmware Update for Acer Connect W6x Router https://community.acer.com/en/kb/articles/19672 OAuth marketplace apps keep access after publishers vanish https://www.helpnetsecurity.com/2026/06/04/oauth-marketplace-apps-audit/ My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

Continuing Scans for swagger.json https://isc.sans.edu/diary/Continuing+Scans+for+swaggerjson/33044/#comments Fake call detection on Android https://blog.google/security/android-fake-call-detection/ Anthropic's coordinated vulnerability disclosure dashboard https://red.anthropic.com/2026/cvd/ My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

New Wave Of Phishing Emails with SVG Files https://isc.sans.edu/diary/New%20Wave%20Of%20Phishing%20Emails%20with%20SVG%20Files/33040 Android 2026-06-01 security patch level vulnerability details https://source.android.com/docs/security/bulletin/2026/2026-06-01 Poly Voice Possible Remote Control of Certain Poly Devices CVE-2026-0826 https://support.hp.com/us-en/document/ish_15052661-15052687-16/hpsbpy04083 https://www.rapid7.com/blog/post/ve-cve-2026-0826-critical-unauthenticated-stack-buffer-overflow-hp-poly-vvx-trio-voip-phones-fixed/ Security Advisory Ivanti Neurons for ITSM (CVE-2026-9614) https://hub.ivanti.com/s/article/Security-Advisory-Ivanti-Neurons-for-ITSM-CVE-2026-9614?language=en_US My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

Unidentified RAT pushes NetSupport RAT https://isc.sans.edu/diary/Unidentified%20RAT%20pushes%20NetSupport%20RAT/33034 CVE-2026-41089: Windows Netlogon Vulnerability Exploited https://ccb.belgium.be/advisories/warning-microsoft-patch-tuesday-may-2026-patches-118-vulnerabilities-16-critical-102 RedHat npm Packages Affected https://www.aikido.dev/blog/red-hat-npm-packages-compromised-credential-stealing-worm Dashlane Locking Accounts after Brute Force https://status.dashlane.com/pages/5aabcb89fccc4b04d3774443 My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich

Announcing Bitskrieg https://deadeclipse666.blogspot.com/2026/05/announcing-bitskrieg.html Vulnerability in Gogs https://www.rapid7.com/blog/post/ve-authenticated-rce-via-argument-injection-gogs-unfixed/ Oracle Critical Security Patch Update Advisory - May 2026 https://www.oracle.com/security-alerts/cspumay2026.html GlobalProtect Authentication Bypass Vulnerabilities CVE-2026-0257 https://security.paloaltonetworks.com/CVE-2026-0257

Research Review Journal https://assets.contentstack.io/v3/assets/blt83c410d686aa5f84/blt3cff46f63887f83e/research-review-journal https://www.sans.edu/cyber-research Analysis of a Year of Files Uploaded to DShield Sensors https://isc.sans.edu/diary/Analysis%20of%20a%20Year%20of%20Files%20Uploaded%20to%20DShield%20Sensors/33026 The Word 'Toad' Gave Any Website Full Control of Chrome's Most Popular VPN https://amibeingpwned.com/blog/urban-vpn-postmessage-command-injection Silent Ransom Group Impersonating IT Personnel through Social Engineering https://www.ic3.gov/CSA/2026/260526.pdf

Reconstructing an Akira Ransomware Kill Chain from Perimeter and Endpoint Logs https://isc.sans.edu/diary/Reconstructing%20an%20Akira%20Ransomware%20Kill%20Chain%20from%20Perimeter%20and%20Endpoint%20Logs/33024 Vaultjacking: One Captured PIN, the Entire Google Password Manager Vault https://phishu.net/blogs/blog-vaultjacking-phishing-the-google-password-manager-vault-in-the-phishu-framework.html From poisoned search results to GPU mining: A cryptojacking campaign abusing ScreenConnect and Microsoft .NET utilities https://www.microsoft.com/en-us/security/blog/2026/05/26/poisoned-search-results-gpu-mining-cryptojacking-campaign-abusing-screenconnect-microsoft-net-utilities/

Possible ACR Stealer From Page Impersonating Claude https://isc.sans.edu/diary/Possible%20ACR%20Stealer%20From%20Page%20Impersonating%20Claude/33018 Microsoft SharePoint Remote Code Execution Vulnerability CVE-2026-45659 https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45659 Multiple Vulnerabilities in Angular Language Service VS Code Extension https://github.com/angular/angular/security/advisories/GHSA-ccq4-xmxr-8hcq

Microsoft Access VBA https://isc.sans.edu/diary/Microsoft%20Access%20VBA/33012 An Example of Stack String in High Level Language https://isc.sans.edu/diary/An%20Example%20of%20Stack%20String%20in%20High%20Level%20Language/33008 Cross-Platform NPM Stealer https://isc.sans.edu/diary/Cross-Platform%20NPM%20Stealer/33006 Laravel Lang Compromised with RCE Backdoor Across https://socket.dev/blog/laravel-lang-compromise Google API keys keep working after you delete them https://www.aikido.dev/blog/google-api-keys-deletion

Selective HTTP Proxying in Linux https://isc.sans.edu/diary/Selective%20HTTP%20Proxying%20in%20Linux/33002 Megalodon: Mass GitHub Repo Backdooring via CI Workflows https://safedep.io/megalodon-mass-github-repo-backdooring-ci-workflows/ MSFT Patches Recent Windows Defender Flaws CVE-2026-41091, CVE-2026-45498, CVE-2026-45584 https://x.com/fabian_bader/status/2057198207243804881 Cisco Secure Workload Unauthorized API Access Vulnerability CVE-2026-20223 https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-csw-pnbsa-g8WEnuy

GitHub Breach https://x.com/github/status/2056949168208552080 Agentic Threat Intelligence Feed - VS Code Extensions https://agentmesh.knostic.ai/extensions More NGINX Vulnerabilities https://x.com/nebusecurity/status/2057071579876753643 https://my.f5.com/manage/s/article/K000161307 Microsoft Publishes YellowKey Mitigation CVE-2026-45585 https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45585 Incomplete Sonicwall Patch CVE-2024-12802 https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2025-0001

TeamPCP Supply Chain Campaign: Activity Through 2026-05-17 https://isc.sans.edu/diary/TeamPCP%20Supply%20Chain%20Campaign%3A%20Activity%20Through%202026-05-17/32994 https://slsa.dev/spec/v0.1/levels Github Action Compromise https://www.stepsecurity.io/blog/actions-cool-issues-helper-github-action-compromised-all-tags-point-to-imposter-commit-that-exfiltrates-ci-cd-credentials How Storm-2949 turned a compromised identity into a cloud-wide breach https://www.microsoft.com/en-us/security/blog/2026/05/18/storm-2949-turned-compromised-identity-into-cloud-wide-breach/

New Malware Libraries means New Signatures https://isc.sans.edu/diary/%5BGuest%20Diary%5D%20%20New%20Malware%20Libraries%20means%20New%20Signatures/32986 Addressing Exchange Server May 2026 vulnerability CVE-2026-42897 https://techcommunity.microsoft.com/blog/exchange/addressing-exchange-server-may-2026-vulnerability-cve-2026-42897/4518498 Microsoft Authenticator Update CVE-2026-41615 https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-41615 ssh-keysign-pwn (CVE-2026-46333) Patches Released https://almalinux.org/blog/2026-05-15-ssh-keysign-pwn-cve-2026-46333/

Tearing apart website fraud to see how it works. (@sans_edu) https://isc.sans.edu/diary/%5BGUEST%20DIARY%5D%20Tearing%20apart%20website%20fraud%20to%20see%20how%20it%20works./32958 Simple bypass of the link preview function in Outlook Junk folder https://isc.sans.edu/diary/Simple%20bypass%20of%20the%20link%20preview%20function%20in%20Outlook%20Junk%20folder/32990 NGINX Vulnerability https://depthfirst.com/nginx-rift Cisco SDWan 0-Day https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-rpa2-v69WY2SW

Proxying the Unproxyable? Sending EXE traffic to a Proxy https://isc.sans.edu/diary/Proxying%20the%20Unproxyable%3F%20Sending%20EXE%20traffic%20to%20a%20Proxy/32982 New Nightmare Eclipse Vulnerabilities Disclosed https://github.com/Nightmare-Eclipse/YellowKey https://github.com/Nightmare-Eclipse/GreenPlasma Adobe Patches https://helpx.adobe.com/security.html

Microsoft Patch Tuesday https://isc.sans.edu/diary/32980 Tanstack npm and others compromised https://socket.dev/blog/tanstack-npm-packages-compromised-mini-shai-hulud-supply-chain-attack Ruby Gems Attack https://x.com/maciejmensfeld/status/2054164602577940619

Apple Patches Everything https://isc.sans.edu/diary/Apple%20Patches%20Everything/32976 End-to-End Encrypted RCS Messages https://www.apple.com/newsroom/2026/05/end-to-end-encrypted-rcs-messaging-begins-rolling-out-today-in-beta/ Why we use CAPTCHAs https://isc.sans.edu/diary/Why%20we%20use%20CAPTCHAs/32974 Checkmarx Jenkins AST plugin compromise https://checkmarx.com/blog/ongoing-security-updates/

Another Universal Linux Local Privilege Escalation (LPE) Vulnerability: Dirty Frag https://isc.sans.edu/diary/Another%20Universal%20Linux%20Local%20Privilege%20Escalation%20%28LPE%29%20Vulnerability%3A%20Dirty%20Frag/32968 PAM Backdoors Steel Passwords https://flare.io/learn/resources/blog/pamdoora-new-linux-pam-based-backdoor-sale-dark-web CPanel Updates https://support.cpanel.net/hc/en-us/sections/360007088193-Security Let s Encrypt Briefly Halts Certificate Issuance https://letsencrypt.status.io

An Adaptive Cyber Analytics UI for Web Honeypot Logs https://isc.sans.edu/diary/An%20Adaptive%20Cyber%20Analytics%20UI%20for%20Web%20Honeypot%20Logs%20%5BGuest%20Diary%5D/32962 Ivanti May Patchday https://hub.ivanti.com/s/article/May-2026-Security-Advisory-Ivanti-Endpoint-Manager-Mobile-EPMM-Multiple-CVEs Redis Security advisory: [CVE 2026 23479] [CVE 2026 25243] [CVE-2026-25588] [CVE 2026 25589] [CVE-2026-23631] https://redis.io/blog/security-advisory-cve202623479-cve202625243-cve-2026-25588-cve202625589-cve-2026-23631/ @sans_edu research paper: Marcio Enriquez [link will be added once the paper has been published]

Technical issue with .de domains https://blog.denic.de/en/technical-issue-with-de-domains-resolved/ CVE-2026-0300 PAN-OS: Unauthenticated user initiated Buffer Overflow Vulnerability in User-ID Authentication Portal https://security.paloaltonetworks.com/CVE-2026-0300 Android Security Bulletin May 2026 CVE-2026-0073 https://source.android.com/docs/security/bulletin/2026/2026-05-01

Cleartext Passwords in MS Edge? In 2026? https://isc.sans.edu/diary/Cleartext%20Passwords%20in%20MS%20Edge%3F%20In%202026%3F/32954 SSL.com rotates its root certificate today https://isc.sans.edu/diary/SSL.com%20rotates%20their%20root%20certificate%20today/32956 DEAMONTOOLS Compromise https://securelist.com/tr/daemon-tools-backdoor/119654/

DShield Honeypot Update https://isc.sans.edu/diary/DShield%20Honeypot%20Update/32948 MOVEit Automation Critical Security Alert Bulletin April 2026 (CVE-2026-4670, CVE-2026-5174) https://community.progress.com/s/article/MOVEit-Automation-Critical-Security-Alert-Bulletin-April-2026-CVE-2026-4670-CVE-2026-5174 Apache httpd http2 vulnerability https://seclists.org/oss-sec/2026/q2/387