CVE-2026-102490

Zammad GmbH Zammad

Published 30 Sept 2026 · updated 3 Oct 2026 · Analyzed

9.4 Critical · CVSS 4.0, divd.nl

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