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CVE-2026-102489

Zammad GmbH Zammad Session Fixation Vulnerability

9.8
CVSS
1.3%
EPSS (exploit prob.)
69.1%
EPSS percentile
Yes
Actively exploited
No
Ransomware use
2026-10-02
Added
▲ +0.7 pts
18-day EPSS trend

Summary

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.

Affected software

Vendor: Zammad GmbH  ·  Product: Zammad

Weakness types (CWE):

CWE-384

What to do

This vulnerability appears in CISA's Known Exploited Vulnerabilities catalog, meaning it is being exploited in the wild. Prioritize patching affected systems and verify exposure across your estate.

Related vulnerabilities in Zammad GmbH

CVENameEPSSExploited
CVE-2026-102490 Zammad GmbH Zammad Improper Privilege Management Vulnerability 0.6% Yes

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