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

Danger of Libredtail https://isc.sans.edu/diary/Danger%20of%20Libredtail%20%5BGuest%20Diary%5D/32936 FreeBSD dhclient vulnerability https://www.freebsd.org/security/advisories/FreeBSD-SA-26:12.dhclient.asc Linux Copy-Fail Vulnerability CVE-2026-31431 https://copy.fail Bryan Nice Research Paper https://www.linkedin.com/in/bryannice/ https://www.sans.edu/cyber-research/detecting-ai-pickling

Today's Odd Web Requests https://isc.sans.edu/diary/Today%27s%20Odd%20Web%20Requests/32934 Incomplete Patch of APT28's Zero-Day Leads to CVE-2026-32202 https://www.akamai.com/blog/security-research/2026/apr/incomplete-patch-apt28s-zero-day-cve-2026-32202 Assess Secure Boot status with Microsoft Defender https://techcommunity.microsoft.com/blog/MicrosoftDefenderATPBlog/assess-secure-boot-status-with-microsoft-defender/4510356 Deprecating Legacy TLS and Endpoints for POP and IMAP in Exchange Online https://techcommunity.microsoft.com/blog/exchange/deprecating-legacy-tls-and-endpoints-for-pop-and-imap-in-exchange-online/4515201 SAP Related npm Packages Compromised https://www.stepsecurity.io/blog/a-mini-shai-hulud-has-appeared

HTTP Requests with X-Vercel-Set-Bypass-Cookie Header https://isc.sans.edu/diary/HTTP%20Requests%20with%20X-Vercel-Set-Bypass-Cookie%20Header/32930 GitHub Vulnerability CVE-2026-3854 https://www.wiz.io/blog/github-rce-vulnerability-cve-2026-3854 Microsoft RDP Notification Bug https://support.microsoft.com/en-us/topic/april-14-2026-kb5083768-os-build-28000-1836-839e4a25-d979-4158-b70c-182333045883

TeamPCP Update https://isc.sans.edu/diary/TeamPCP%20Supply%20Chain%20Campaign%3A%20Update%20008%20-%2026-Day%20Pause%20Ends%20with%20Three%20Concurrent%20Compromises%20%28Checkmarx%20KICS%2C%20Bitwarden%20CLI%20Cascade%2C%20xinference%20PyPI%29%2C%20CanisterSprawl%20npm%20Worm%20Identified%2C%20and%20Tier%201%20Coverage%20Returns/32926 https://socket.dev/blog/73-open-vsx-sleeper-extensions-glassworm https://checkmarx.com/blog/checkmarx-security-update-april-26/ 89 vulnerabilities in XAPI / Citrix XenServer https://shittrix.moksha.dk/#rationale Phantom RPC https://securelist.com/phantomrpc-rpc-vulnerability/119428/ Pi-Hole Vulnerability CVE-2026-41489 https://github.com/pi-hole/pi-hole/security/advisories/GHSA-6w8x-p785-6pm4 Linux Kernel Problem CVE-2026-41651 https://nvd.nist.gov/vuln/detail/CVE-2026-41651

Apple Patches Exploited Notification Flaw https://isc.sans.edu/diary/Apple%20Patches%20Exploited%20Notification%20Flaw/32922 Bitwarden CLI Compromised https://socket.dev/blog/bitwarden-cli-compromised https://community.bitwarden.com/t/bitwarden-statement-on-checkmarx-supply-chain-incident/96127 Microsoft Security Advisory CVE-2026-40372 ASP.NET Core Elevation of Privilege https://github.com/dotnet/announcements/issues/395

Beyond Cryptojacking: Telegram tdata as a Credential Harvesting Vector, Lessons from a Honeypot Incident https://isc.sans.edu/diary/%5BGuest%20Diary%5D%20Beyond%20Cryptojacking%3A%20Telegram%20tdata%20as%20a%20Credential%20Harvesting%20Vector%2C%20Lessons%20from%20a%20Honeypot%20Incident/32888 Checkmarx Compromise https://socket.dev/blog/checkmarx-supply-chain-compromise Oracle Quarterly Critical Patch Update https://www.oracle.com/security-alerts/cpuapr2026.html Firefox 150 - Mythos AI https://blog.mozilla.org/en/privacy-security/ai-security-zero-day-vulnerabilities/

A .WAV With A Payload https://isc.sans.edu/diary/A%20.WAV%20With%20A%20Payload/32910 The Phishy GitHub Issue Case https://blog.atsika.ninja/posts/the-phishy-github-issue-case/ P4WNED: How Insecure Defaults in Perforce Expose Source Code Across the Internet https://morganrobertson.net/p4wned/

Handling the CVE Flood With EPSS https://isc.sans.edu/diary/Handling%20the%20CVE%20Flood%20With%20EPSS/32914 Windows Server 2025 Out of Band Patch https://learn.microsoft.com/en-us/windows/release-health/windows-message-center#4835 QEMU abused to evade detection and enable ransomware delivery https://www.sophos.com/en-us/blog/qemu-abused-to-evade-detection-and-enable-ransomware-delivery

Lumma Stealer infection with Sectop RAT (ArechClient2) https://isc.sans.edu/diary/Lumma%20Stealer%20infection%20with%20Sectop%20RAT%20%28ArechClient2%29/32904 Three Recent Windows Defender Vulnerabilities Exploited (one 0-day) https://x.com/HuntressLabs/status/2044882115574091960 FortiSandbox PoC Exploit CVE-2026-39808 https://github.com/samu-delucas/CVE-2026-39808?tab=readme-ov-file NIST Updates NVD Operations to Address Record CVE Growth https://www.nist.gov/news-events/news/2026/04/nist-updates-nvd-operations-address-record-cve-growth

Compromised DVRs and Finding Them in the Wild https://isc.sans.edu/diary/%5BGuest%20Diary%5D%20Compromised%20DVRs%20and%20Finding%20Them%20in%20the%20Wild/32886 Cisco ISE RCE Vulnerability and WebEx Auth Bypass CVE-2026-20184 CVE-2026-20180 CVE-2026-20186 https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-rce-4fverepv https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-cui-cert-8jSZYhWL Windows Defender 0-Day (RedSun) https://github.com/Nightmare-Eclipse/RedSun Sonatype Vulnerability CVE-2026-5189 https://support.sonatype.com/hc/en-us/articles/50817138825491-CVE-2026-5189-Nexus-Repository-3-Hardcoded-Credential-in-Internal-Database-Component-2026-04-15

Scanning for AI Models https://isc.sans.edu/diary/Scanning%20for%20AI%20Models/32896 Microsoft Update Problems https://support.microsoft.com/en-us/topic/april-14-2026-kb5082063-os-build-26100-32690-c57e289d-27c9-47cd-a183-72fabc62c5d7#:~:text=Known%20issues%20in%20this%20update Microsoft RDP File Warnings https://learn.microsoft.com/en-us/windows-server/remote/remote-desktop-services/remotepc/understanding-security-warnings AI GitHub Action Vulnerabilities https://oddguan.com/blog/comment-and-control-prompt-injection-credential-theft-claude-code-gemini-cli-github-copilot/ https://www.theregister.com/2026/04/15/claude_gemini_copilot_agents_hijacked/ Wireguard Update https://lists.zx2c4.com/pipermail/wireguard/2026-April/009561.html

Microsoft Patch Tuesday April 2026 https://isc.sans.edu/forums/diary/Microsoft%20Patch%20Tuesday%20April%202026./32898/ Adobe Patches https://helpx.adobe.com/security/Home.html Fortinet Patches https://fortiguard.fortinet.com/psirt

Scans for EncystPHP Webshell https://isc.sans.edu/diary/Scans%20for%20EncystPHP%20Webshell/32892 CPUID Compromise https://securelist.com/tr/cpu-z/119365/ https://x.com/d0cTB/status/2042520961824559150 OpenAI Mac Application Update due to Axios Compromise https://openai.com/index/axios-developer-tool-compromise/ Axios Vulnerability CVE-2026-40175 https://github.com/axios/axios/security/advisories/GHSA-fvcv-3m26-pcqx

Obfuscated JavaScript or Nothing https://isc.sans.edu/diary/Obfuscated%20JavaScript%20or%20Nothing/32884 Numbers in Passwords https://isc.sans.edu/diary/Number%20Usage%20in%20Passwords%3A%20Take%20Two/32866 Adobe 0-Day Patch CVE-2026-34621 https://helpx.adobe.com/security/products/acrobat/apsb26-43.html ClickFix Bypass via ScriptEditor https://www.jamf.com/blog/clickfix-macos-script-editor-atomic-stealer/

Honeypot Fingerprinting https://isc.sans.edu/diary/More%20Honeypot%20Fingerprinting%20Scans/32878 Microsoft Locks Accounts for Privacy/Encryption Related Developers https://sourceforge.net/p/veracrypt/discussion/general/thread/9620d7a4b3/ https://news.ycombinator.com/item?id=47687884 https://x.com/windscribecom/status/2041929519628443943 https://windowsforum.com/threads/april-2026-windows-update-ends-cross-signed-kernel-driver-trust.410487/ Remote Code Execution in Apache ActiveMQ (CVE-2026-34197) https://horizon3.ai/attack-research/disclosures/cve-2026-34197-activemq-rce-jolokia/

A Little Bit Pivoting: What Web Shells are Attackers Looking for Today? https://isc.sans.edu/diary/A%20Little%20Bit%20Pivoting%3A%20What%20Web%20Shells%20are%20Attackers%20Looking%20for%3F/32874 WatchGuard Firebox Arbitrary File Write via Path Traversal in Fireware Web UI https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00009 Project Glasswing https://www.anthropic.com/glasswing Current Threats Against Kubernetes https://unit42.paloaltonetworks.com/modern-kubernetes-threats/

How often are redirects used in phishing in 2026? https://isc.sans.edu/diary/How%20often%20are%20redirects%20used%20in%20phishing%20in%202026%3F/32870 Hackerone Suspends Internet Bug Bounty https://hackerone.com/ibb?type=team https://www.linkedin.com/posts/danielstenberg_hackerone-share-7446667043380076545-RX9b/ Bluehammer Windows 0-day Privilege Escalation https://github.com/Nightmare-Eclipse/BlueHammer https://deadeclipse666.blogspot.com/2026/04/public-disclosure.html https://deepwiki.com/Nightmare-Eclipse/BlueHammer Keycloak MFA Bypass CVE-2026-3429 https://access.redhat.com/security/cve/cve-2026-3429

Team PCP Update and Axios Post Mortem https://isc.sans.edu/diary/32864 https://github.com/axios/axios/issues/10636 Strapi NPM Packages Compromised https://safedep.io/malicious-npm-strapi-plugin-events-c2-agent/ Fortinet CVE-2026-35616 exctively exploited https://fortiguard.fortinet.com/psirt/FG-IR-26-099

Attempts to Exploit Exposed "Vite" Installs (CVE-2025-30208) https://isc.sans.edu/diary/Attempts%20to%20Exploit%20Exposed%20%22Vite%22%20Installs%20%28CVE-2025-30208%29/32860 OpenSSH 10.3 Release https://seclists.org/oss-sec/2026/q2/7 Claude Code Vulnerability https://adversa.ai/claude-code-security-bypass-deny-rules-disabled/

Malicious Script That Gets Rid of ADS https://isc.sans.edu/diary/Malicious%20Script%20That%20Gets%20Rid%20of%20ADS/32854 Google Chrome Update fixes 21 Vulnerabilities and 0-Day https://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_31.html Apple Addresses Darksword Vulnerabilities for older devices https://support.apple.com/en-us/126793

Application Control Bypass for Data Exfiltration https://isc.sans.edu/diary/Application%20Control%20Bypass%20for%20Data%20Exfiltration/32850 Axios NPM Module Supply Chain Compromise https://www.stepsecurity.io/blog/axios-compromised-on-npm-malicious-versions-drop-remote-access-trojan https://www.linkedin.com/events/7444763050819092480/ TeamPCP vs. Cloud Resources https://www.wiz.io/blog/tracking-teampcp-investigating-post-compromise-attacks-seen-in-the-wild

Honeypot Session Lifetime https://isc.sans.edu/diary/DShield%20%28Cowrie%29%20Honeypot%20Stats%20and%20When%20Sessions%20Disconnect/32840 Let s Encrypt Tests Mass Revocation https://community.letsencrypt.org/t/lets-encrypt-2026-mass-revocation-simulation/245960 https://www.certkit.io/blog/ari-solves-mass-certificate-revocation https://www.certkit.io/blog/lets-encrypt-mass-revocation-simulation F5 Vulnerability Re-Classified (and already exploited) as RCE https://my.f5.com/manage/s/article/K000156741

TeamPCP Update #2: Telnyx PyPi Compromise https://isc.sans.edu/diary/TeamPCP%20Supply%20Chain%20Campaign%3A%20Update%20002%20-%20Telnyx%20PyPI%20Compromise%2C%20Vect%20Ransomware%20Mass%20Affiliate%20Program%2C%20and%20First%20Named%20Victim%20Claim/32838 Citrix Netscaler Vulnerability Details https://labs.watchtowr.com/the-sequels-are-never-as-good-but-were-still-in-pain-citrix-netscaler-cve-2026-3055-memory-overread/ macOS Clickfix Warning https://x.com/ClassicII_MrMac/status/2036797948911141129 Windows Smart Install https://textslashplain.com/2026/03/24/windows-choose-where-to-get-apps/

TeamPCP Supply Chain Campaign: Update 001 - Checkmarx Scope Wider Than Reported, CISA KEV Entry, and Detection Tools Available https://isc.sans.edu/diary/TeamPCP%20Supply%20Chain%20Campaign%3A%20Update%20001%20-%20Checkmarx%20Scope%20Wider%20Than%20Reported%2C%20CISA%20KEV%20Entry%2C%20and%20Detection%20Tools%20Available/32834 DarkSword and This Weeks iOS Updates https://cloud.google.com/blog/topics/threat-intelligence/darksword-ios-exploit-chain LangFlow Exploited https://www.cisa.gov/news-events/alerts/2026/03/25/cisa-adds-one-known-exploited-vulnerability-catalog

Apple Patches (almost) everything again. March 2026 edition. https://isc.sans.edu/diary/Apple%20Patches%20%28almost%29%20everything%20again.%20March%202026%20edition./32830 SmartApeSG campaign pushes Remcos RAT, NetSupport RAT, StealC, and Sectop RAT (ArechClient2) https://isc.sans.edu/diary/SmartApeSG%20campaign%20pushes%20Remcos%20RAT%2C%20NetSupport%20RAT%2C%20StealC%2C%20and%20Sectop%20RAT%20%28ArechClient2%29/32826 Trivy/LiteLLM/TeamPCP Updates https://www.sans.org/webcasts/when-security-scanner-became-weapon https://rosesecurity.dev/2026/03/24/sha-pinning-is-not-enough.html Google Moves Up Quantum Crypto Deadline https://blog.google/innovation-and-ai/technology/safety-security/cryptography-migration-timeline/

--- Special Webcast about Trivy Supply Chain Attacks https://www.sans.org/webcasts/when-security-scanner-became-weapon --- Detecting IP KVM Usage https://isc.sans.edu/diary/Detecting%20IP%20KVMs/32824 TeamPCP, Trivy, liteLLM, Iran and more https://www.aikido.dev/blog/teampcp-stage-payload-canisterworm-iran https://www.aquasec.com/blog/trivy-supply-chain-attack-what-you-need-to-know/ https://blog.gitguardian.com/trivys-march-supply-chain-attack-shows-where-secret-exposure-hurts-most/ https://www.sysdig.com/blog/teampcp-expands-supply-chain-compromise-spreads-from-trivy-to-checkmarx-github-actions

From W-2 to BYOVD: How a Tax Search Leads to Kernel-Mode AV/EDR Kill https://www.huntress.com/blog/w2-malvertising-to-kernel-mode-edr-kill NetScaler ADC and NetScaler Gateway Security Bulletin for CVE-2026-3055 and CVE-2026-4368 https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX696300 gRPC-Go Authorization bypass via missing leading slash in :path CVE-2026-33186 https://github.com/grpc/grpc-go/security/advisories/GHSA-p77j-4mvh-x3m3

GSocket Backdoor Delivered Through Bash Script https://isc.sans.edu/diary/GSocket+Backdoor+Delivered+Through+Bash+Script/32816/#comments Oracle Security Alert CVE-2026-21992 Released https://blogs.oracle.com/security/alert-cve-2026-21992 Rockwell Automation Reiterates Customer Guidance to Disconnect Devices from the Internet and Harden PLCs to Protect from Cyber Threats https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1771.html

Interesting Cowrie Strings https://isc.sans.edu/diary/Interesting+Message+Stored+in+Cowrie+Logs/32810 Microsoft Intune Hardening Advice https://techcommunity.microsoft.com/blog/intunecustomersuccess/best-practices-for-securing-microsoft-intune/4502117 https://www.cisa.gov/news-events/alerts/2026/03/18/cisa-urges-endpoint-management-system-hardening-after-cyberattack-against-us-organization Unifi Network Update https://community.ui.com/releases/Security-Advisory-Bulletin-062-062/c29719c0-405e-4d4a-8f26-e343e99f931b

Scans for "adminer" https://isc.sans.edu/diary/Scans%20for%20%22adminer%22/32808 Background Security Improvement for WebKit https://support.apple.com/en-us/126604 Remote Pre-Auth Buffer Overflow in GNU Inetutils telnetd (LINEMODE SLC) https://lists.gnu.org/archive/html/bug-inetutils/2026-03/msg00031.html ScreenConnect 26.1 Security Hardening https://www.connectwise.com/company/trust/security-bulletins/2026-03-17-screenconnect-bulletin

IPv4 Mapped IPv6 Addresses https://isc.sans.edu/diary/IPv4%20Mapped%20IPv6%20Addresses/32804 More IP KVM Vulnerabilities https://eclypsium.com/blog/your-kvm-is-the-weak-link-how-30-dollar-devices-can-own-your-entire-network/ AWS Bedrock AgentCore Code Interpreter DNS Leak https://www.beyondtrust.com/blog/entry/pwning-aws-agentcore-code-interpreter

/proxy/ URL scans with IP addresses https://isc.sans.edu/forums/diary/proxy+URL+scans+with+IP+addresses/32800/ Local Network Address Restrictions https://learn.microsoft.com/en-us/deployedge/ms-edge-local-network-access#how-to-mitigate-impact-for-cross-origin-iframes https://learn.microsoft.com/en-us/deployedge/microsoft-edge-relnote-stable-channel European Security Vendor Targeted by Hackers Fronting as Cisco Domain https://specopssoft.com/blog/phishing-campaign-cisco/

SmartApeSG campaign uses ClickFix page to push Remcos RAT https://isc.sans.edu/diary/SmartApeSG%20campaign%20uses%20ClickFix%20page%20to%20push%20Remcos%20RAT/32796 A React-based phishing page with credential exfiltration via EmailJS https://isc.sans.edu/diary/32794 Google Chrome announced two zero-day fixes, then removed one. https://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_12.html AdGuard Vulnerability https://github.com/AdguardTeam/AdGuardHome/releases/tag/v0.107.73

When your IoT Device Logs in as Admin, It s too Late! https://isc.sans.edu/diary/When%20your%20IoT%20Device%20Logs%20in%20as%20Admin%2C%20It%3Fs%20too%20Late!%20%5BGuest%20Diary%5D/32788 Apple Patches https://support.apple.com/en-us/100100 Veeam Patches https://www.veeam.com/kb4830

Analyzing "Zombie Zip" Files (CVE-2026-0866) https://isc.sans.edu/diary/Analyzing%20%22Zombie%20Zip%22%20Files%20%28CVE-2026-0866%29/32786 How "Strengthening Crypto" Broke Authentication: FreshRSS and bcrypt's 72-Byte Limit https://pentesterlab.com/blog/freshrss-bcrypt-truncation-auth-bypass

Microsoft Patch Tuesday, March 2026 https://isc.sans.edu/diary/Microsoft%20Patch%20Tuesday%20March%202026/32782 Fortinet Updates https://fortiguard.fortinet.com/psirt Adobe Updates https://helpx.adobe.com/security.html Zoom Update https://www.instagram.com/direct/t/17848218473607233/

Encrypted Client Hello: Ready for Prime Time? https://isc.sans.edu/diary/Encrypted%20Client%20Hello%3A%20Ready%20for%20Prime%20Time%3F/32778 The ExifTool vulnerability: how an image can infect macOS systems https://www.kaspersky.com/blog/exiftool-macos-picture-vulnerability-mitigation-cve-2026-3102/55362/ Remote code execution in Nextcloud Flow via vulnerable Windmill version https://github.com/nextcloud/security-advisories/security/advisories/GHSA-g7vj-98x3-qvjf

YARA-X 1.14.0 Release https://isc.sans.edu/diary/YARA-X%201.14.0%20Release/32774 INTERPLAY BETWEEN IRANIAN TARGETING OF IP CAMERAS AND PHYSICAL WARFARE IN THE MIDDLE EAST https://research.checkpoint.com/2026/interplay-between-iranian-targeting-of-ip-cameras-and-physical-warfare-in-the-middle-east/ Announcing the Node.js LTS Upgrade and Modernization Program https://openjsf.org/blog/nodejs-lts-upgrade-program nginx UI Vulnerability https://github.com/0xJacky/nginx-ui/security/advisories/GHSA-g9w5-qffc-6762

Differentiating Between a Targeted Intrusion and an Automated Opportunistic Scanning [Guest Diary] https://isc.sans.edu/diary/Differentiating%20Between%20a%20Targeted%20Intrusion%20and%20an%20Automated%20Opportunistic%20Scanning%20%5BGuest%20Diary%5D/32768 CVE-2026-29000: Critical Authentication Bypass in pac4j-jwt - Using Only a Public Key (CVSS 10) https://www.codeant.ai/security-research/pac4j-jwt-authentication-bypass-public-key FreeScout Help Desk Vulnerability https://github.com/freescout-help-desk/freescout/security/advisories/GHSA-mw88-x7j3-74vc Microsoft Authenticator Not Supported on Graphene OS https://www.heise.de/en/news/GrapheneOS-Microsoft-Authenticator-does-not-support-secure-Android-OS-11200495.html

Want More XWorm? https://isc.sans.edu/diary/Want%20More%20XWorm%3F/32766 Cisco Secure Firewall Management Center Vulnerabilities https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-rce-NKhnULJh https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-onprem-fmc-authbypass-5JPp45V2 LastPass Phishing https://www.securityweek.com/lastpass-users-targeted-with-backup-themed-phishing-emails/

Bruteforce Scans for CrushFTP https://isc.sans.edu/diary/Bruteforce%20Scans%20for%20CrushFTP%20/32762 Android March 2026 Patches, including 0-Day (CVE-2026-21385) https://source.android.com/docs/security/bulletin/2026/2026-03-01 OAuth redirection abuse enables phishing and malware delivery https://www.microsoft.com/en-us/security/blog/2026/03/02/oauth-redirection-abuse-enables-phishing-malware-delivery/

Quick Howto: ZIP Files Inside RTF https://isc.sans.edu/diary/Quick+Howto+ZIP+Files+Inside+RTF/32696/#comments Keeping the Internet fast and secure: introducing Merkle Tree Certificates https://blog.cloudflare.com/bootstrap-mtc/ Taming Agentic Browsers: Vulnerability in Chrome Allowed Extensions to Hijack New Gemini Panel https://unit42.paloaltonetworks.com/gemini-live-in-chrome-hijacking/

Fake Fedex Email Delivers Donuts! https://isc.sans.edu/diary/Fake%20Fedex%20Email%20Delivers%20Donuts!/32754 Abusing .ARPA: The TLD that isn t supposed to host anything https://www.infoblox.com/blog/threat-intelligence/abusing-arpa-the-tld-that-isnt-supposed-to-host-anything/ MC1179154 - Microsoft Authenticator app: Upcoming changes to jailbreak and root detection https://mc.merill.net/message/MC1179154 SECURITY BULLETIN: Apex One and Apex One (Mac) - February 2026 https://success.trendmicro.com/en-US/solution/KA-0022458 Special Webcast: AirSnitch How Worried Should You Be? https://www.sans.org/webcasts/airsnitch-how-worried-should-you-be

Finding Signal in the Noise: Lessons Learned Running a Honeypot with AI Assistance [Guest Diary] https://isc.sans.edu/diary/Finding%20Signal%20in%20the%20Noise%3A%20Lessons%20Learned%20Running%20a%20Honeypot%20with%20AI%20Assistance%20%5BGuest%20Diary%5D/32744 Google API Keys Weren't Secrets. But then Gemini Changed the Rules. https://trufflesecurity.com/blog/google-api-keys-werent-secrets-but-then-gemini-changed-the-rules AirSnitch: Demystifying and Breaking Client Isolation in Wi-Fi Networks https://www.ndss-symposium.org/ndss-paper/airsnitch-demystifying-and-breaking-client-isolation-in-wi-fi-networks/

The CLAIR Model: A Synthesized Conceptual Framework for Mapping Critical Infrastructure Interdependencies [Guest Diary] https://isc.sans.edu/diary/The+CLAIR+Model+A+Synthesized+Conceptual+Framework+for+Mapping+Critical+Infrastructure+Interdependencies+Guest+Diary/32748 Cisco Catalyst SD-WAN Controller Authentication Bypass Vulnerability CVE-2026-20127 https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-rpa-EHchtZk https://blog.talosintelligence.com/uat-8616-sd-wan/ Abusing Cortex XDR Live https://labs.infoguard.ch/posts/abusing_cortex_xdr_live_response_as_c2/ OpenSSL Vulnerability CVE-2025-15467 https://seclists.org/oss-sec/2026/q1/220

Open Redirects: A Forgotten Vulnerability? https://isc.sans.edu/diary/Open%20Redirects%3A%20A%20Forgotten%20Vulnerability%3F/32742 Goodbye innerHTML, Hello setHTML: Stronger XSS Protection in Firefox 148 https://hacks.mozilla.org/2026/02/goodbye-innerhtml-hello-sethtml-stronger-xss-protection-in-firefox-148/ More telnetd issues https://seclists.org/oss-sec/2026/q1/199

Another day, another malicious JPEG https://isc.sans.edu/diary/Another%20day%2C%20another%20malicious%20JPEG/32738 Calibre Path Traversal Leading to Arbitrary File Write and Potentially Code Execution CVE-2026-26064 CVE-2026-26065 https://github.com/kovidgoyal/calibre/security/advisories/GHSA-72ch-3hqc-pgmp https://github.com/kovidgoyal/calibre/security/advisories/GHSA-vmfh-7mr7-pp2w CVE-2026-25755: PDF Object Injection in jsPDF (addJS Method) https://github.com/ZeroXJacks/CVEs/blob/main/2026/CVE-2026-25755.md Roundcube Webmail Exploited CVE-2025-49113 https://roundcube.net/news/2025/06/01/security-updates-1.6.11-and-1.5.10 https://www.openwall.com/lists/oss-security/2025/06/02/3

Japanese-Language Phishing Emails https://isc.sans.edu/diary/Japanese-Language%20Phishing%20Emails/32734 'God-Like' Attack Machines: AI Agents Ignore Security Policies https://www.darkreading.com/application-security/ai-agents-ignore-security-policies Starkiller: New Phishing Framework Proxies Real Login Pages to Bypass MFA https://abnormal.ai/blog/starkiller-phishing-kit

Under the Hood of DynoWiper https://isc.sans.edu/diary/Under%20the%20Hood%20of%20DynoWiper/32730 Vibe Password Generation: Predictable by Design https://www.irregular.com/publications/vibe-password-generation Vulnerabilities (CVE-2025-65715, CVE-2025-65716, CVE-2025-65717) in four popular IDE Extensions https://www.ox.security/blog/four-vulnerabilities-expose-a-massive-security-blind-spot-in-ide-extensions/ Grandstream GXP1600 VoIP Phones https://www.rapid7.com/blog/post/ve-cve-2026-2329-critical-unauthenticated-stack-buffer-overflow-in-grandstream-gxp1600-voip-phones-fixed/

Tracking Malware Campaigns With Reused Material https://isc.sans.edu/diary/Tracking%20Malware%20Campaigns%20With%20Reused%20Material/32726 From BRICKSTORM to GRIMBOLT: UNC6201 Exploiting a Dell RecoverPoint for Virtual Machines Zero-Day https://cloud.google.com/blog/topics/threat-intelligence/unc6201-exploiting-dell-recoverpoint-zero-day Windows Admin Center Elevation of Privilege Vulnerability CVE-2026-26119 https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26119 DNS-PERSIST-01: A New Model for DNS-based Challenge Validation https://letsencrypt.org/2026/02/18/dns-persist-01.html Defending Web Apps https://www.sans.org/cyber-security-courses/application-security-securing-web-apps-api-microservices

Fake Incident Report Used in Phishing Campaign https://isc.sans.edu/diary/Fake%20Incident%20Report%20Used%20in%20Phishing%20Campaign/32722 Divide and conquer: how the new Keenadu backdoor exposed links between major Android botnets https://securelist.com/keenadu-android-backdoor/118913/ CVE-2026-25903: Apache NiFi: Missing Authorization of Restricted Permissions for Component Updates https://seclists.org/oss-sec/2026/q1/166 The Next Frontier of Runtime Assembly Attacks: Leveraging LLMs to Generate Phishing JavaScript in Real Time https://unit42.paloaltonetworks.com/real-time-malicious-javascript-through-llms/ Encrypted RCS in iOS/iPadOS https://developer.apple.com/documentation/ios-ipados-release-notes/ios-ipados-26_4-release-notes