
Hosted by Johannes B. Ullrich · EN

SANS Stormcast Thursday, July 23rd, 2026: Rondo and Geoserver; Oracle Patches; Checkpoint 0-day; OpenAI vs Huggingface Rondo Meets Geoserver https://isc.sans.edu/diary/Rondo%20Meets%20Geoserver/33176 Oracle July Patch Update https://www.oracle.com/security-alerts/cpujul2026.html OpenAI and Hugging Face partner to address security incident during model evaluation https://openai.com/index/hugging-face-model-evaluation-security-incident/ Checkpoint July 2026 Security Advisory (CVE-2026-16232) https://blog.checkpoint.com/security/security-advisory-action-required-active-exploitation-of-check-point-smartconsole-authentication-bypass-cve-2026-16232/ My Upcoming Classes https://www.sans.org/profiles/dr-johannes-ullrich keywords: checkpoint; openai; huggingface; oracle; rondo; geoserver

SANS Stormcast Wednesday, July 22nd, 2026: Captive Portals; Critical Serv-U and Zimbra Update; Apple Hide-My-Email fix 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 keywords: apple; e-mail; privacy; zimbra; hide-my; solarwinds; serv-u; captive; portal

SANS Stormcast Tuesday, July 21st, 2026: More Wordpress Details; HOLLOWGRAPH MSFT Calendar Abuse; Gitea Vulnerability 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 keywords: calendar; microsoft; o365; gitea; wordpress; exploitation;

SANS Stormcast Friday, July 17th, 2026: Hikvision Scans; LG Spyware; Huggingface Hack; Wordpress Core RCE 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 keywords: wordpress; shell; wp2shell; huggingface; lg; monitor; spyware; compromise; hikvision

SANS Stormcast Friday, July 17th, 2026: Windows Hello for Business; NGINX Vuln; 7-zip vuln 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 keywords: 7zip; nginx; windows; hello;

SANS Stormcast Thursday, July 16th, 2026: DShield SIEM Update; MSFT Patches vs. Intel IPF; Zoom Patch; Forgotten UEFI Shims 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 keywords: uefi; boot; zoom; patch; intel; dell; ipf; siem; dshield

SANS Stormcast Wednesday, July 15th, 2026: Microsoft Patches; New MSFT Priv Escalation; Progress ShareFile 0-Day; Grok Exfiltration 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 keywords: grok; xai; progress; sharefile; storage; legacyhive; microsoft

SANS Stormcast Tuesday, July 14th, 2026: MCP/AI Related Scans; Improve Router Hygiene; OAuth Client ID Spoofing; Veeam Vuln; 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 keywords: veeam; oauth; router; cisco; russian; mcp; ai; scanning

SANS Stormcast Monday, July 13th, 2026: Progress Sharefile Shutdown; U-Boot Vuln; More Nightmare Eclipse; Cisco AI Response 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 keywords: cisco; patches; nightmare eclipes; defender; microsoft; progress; sharefile; u-boot

SANS Stormcast Friday, July 10th, 2026: Belarus Graffiti Bot @sans_edu; Discontinuing Mac OS Ext. FS; Chrome Update; Rogue Planet Patch _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 keywords: microsoft; rogue planet; nightmare eclypse; google; chrome; apple; apfs; belarus;