Zammad GmbH Zammad Improper Privilege Management Vulnerability
This vulnerability is in the CISA Known Exploited Vulnerabilities catalog: attackers are using it. If you run Zammad, fix it now.
CISA required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
US federal civilian agencies must remediate by Oct 5, 2026.
No official fix confirmed yet
Until a fix ships, follow the vendor's mitigations and CISA's required action, limit exposure of affected systems, and watch this record for a patch.
All versions of Zammad including the latest alpha enable the local zammad user to escalate privileges to root.
Source: NIST National Vulnerability Database. Official vulnerability data, reproduced as published.
| Product | Vendor | Source |
|---|---|---|
| Zammad | Zammad GmbH | KEV |
Sources: KEV = CISA Known Exploited Vulnerabilities catalog. Version details have not been published yet.
Developments from the last 30 days, newest first.
CVE-2026-102490 scored CVSS 9.4: Zammad GmbH Zammad, Zammad GmbH Zammad Improper Privilege Management Vulnerability
CISA lists this as exploited in the wild. Unpatched Zammad systems are exposed to active attacks now.
Basis: NIST National Vulnerability Database
CVE-2026-102490 added to CISA KEV: Zammad GmbH Zammad, Zammad GmbH Zammad Improper Privilege Management Vulnerability
CISA lists this as exploited in the wild. Unpatched Zammad systems are exposed to active attacks now.
Basis: CISA Known Exploited Vulnerabilities catalog
CISA lists this as exploited in the wild. Unpatched Zammad systems are exposed to active attacks now.
Treat this as an emergency.
