CVE-2026-102490
Zammad GmbH Zammad
Published 30 Sept 2026 · updated 3 Oct 2026 · Analyzed
Exploited in the wild
CISA added this to its Known Exploited Vulnerabilities catalog on 2 Oct 2026, with a remediation deadline of 5 Oct 2026 for US federal agencies.
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.
Description
All versions of Zammad including the latest alpha enable the local zammad user to escalate privileges to root.
References
- csirt.divd.nl/CVE-2026-102490 · Third Party Advisory
- csirt.divd.nl/DIVD-2026-00015 · Third Party Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-102490 · US Government Resource