CriticalCritical vulnerability

CVE-2026-102489 (CVSS 9.4)

NVD · officialPublished Sep 30, 2026Risk 50/100

Zammad versions 6.3.0 to 6.5.4 are vulnerable a session hijack vulnerability that leads to remote code execution as the zammad user. The vulnerability is also present in version 7.0.0 to version 7.1.3, but not exploitable due to environment conditions.

Technical details

CVSS

9.4

AV:NetworkAC:LowPR:NoneUI:Passive

Evidence and sources

This record is attributed to NVD. Exploitation status and remediation guidance are kept separate from the vulnerability's technical severity.

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