Handler on Duty: Johannes Ullrich
Threat Level: green
Podcast Detail
SANS Stormcast Tuesday, July 21st, 2026: More Wordpress Details; HOLLOWGRAPH MSFT Calendar Abuse; Gitea Vulnerability
If you are not able to play the podcast using the player below: Use this direct link to the audio file: https://traffic.libsyn.com/securitypodcast/10016.mp3
My Next Class
Click HERE to learn more about classes Johannes is teaching for SANS
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
| Application Security: Securing Web Apps, APIs, and Microservices | Online | British Summer Time | Jul 27th - Aug 1st 2026 |
| Application Security: Securing Web Apps, APIs, and Microservices | Las Vegas | Sep 21st - Sep 25th 2026 |
| Application Security: Securing Web Apps, APIs, and Microservices | Washington | Dec 14th - Dec 18th 2026 |





