Zammad Vulnerabilities

2 advisories affecting Zammad

2

Total CVEs

2

Critical

0

High

CVE-2026-102489

Sep 30, 2026

Critical 9.8

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...

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CVE-2026-102490

Sep 30, 2026

Critical 9.8

All versions of Zammad including the latest alpha enable the local zammad user to escalate privileges to root....

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