PT-2026-103453 · Zammad · Zammad

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CVE-2026-102489

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Published

2026-09-30

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Updated

2026-10-14

CVSS v3.1

9.8

Critical

VectorAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions Zammad versions 6.3.0 through 6.5.4
Description A session hijack issue allows for remote code execution as the zammad user. Approximately 12,000 instances have been identified globally.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Session Fixation

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Weakness Enumeration

Related Identifiers

CVE-2026-102489

Affected Products

Zammad