CVE-2026-102489
Session Fixation in Zammad. CISA confirmed attackers exploit it and added it to its Known Exploited Vulnerabilities catalog on 2 October 2026.
- Product
- Zammad
- Added to CISA's catalog
- Federal fix-by date
- Ransomware
- No known use in ransomware campaigns
- Vendor advisories
- Sources
- CISA’s catalog, NVD entry
CISA’s description.
Zammad GmbH Zammad contains a session fixation vulnerability that can lead to remote code execution as the zammad user. This vulnerability can be chained with CVE-2026-102490.
More from Zammad GmbH this year.
- CVE-2026-102490 Improper Privilege Management, added
Every flaw CISA confirmed exploited in the last 30 days is on the exploit watch. This is not security advice. Check the vendor’s advisory before acting. From CISA’s catalog of 4 November 2026.