CVE-2026-102490

What it is

Zammad packages built with packager.io (DEB and RPM) could have allowed a local attacker who already had file system write privileges as the unprivileged zammad service account to escalate to full root privileges on the host. Service processes began running as root and executed files that were owned and writable by the zammad account before dropping their identity to that account. An attacker holding that foothold could have escalated within seconds, because the affected services were restarted automatically whenever they stopped; no administrator interaction was required. Only installations from the DEB and RPM packages were affected — installations from source or the official container images were not. All released packaged versions were affected.

At a glance

Exploitability

Can be exploited over the network without logging in, but needs a user to act. High risk of data exposure, data tampering, service disruption.

In the wild

CISA lists this as exploited in real attacks. Treat as urgent.

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2026-09-29 09:46 UTC ReservedThe CVE id was reserved by its CNA
2. 2026-09-30 17:16 UTC PublishedDisclosed publicly on CVE.org and NVD
3. 2026-10-02 Exploited in the wildAdded to CISA's Known Exploited Vulnerabilities list
4. 2026-10-05 Remediation deadlineCISA's due date for federal agencies to fix it
5. 2026-10-09 14:21 UTC Last updatedMost recent change to the record

Details

Published

2026-09-30 17:16 UTC

Last modified

2026-10-09 14:21 UTC

Added to CISA KEV

2026-10-02

Exploit probability

10.9% · EPSS, next 30 days

Weakness

CWE-269 · Improper privilege management

Record status

Analyzed

Affected

• Zammad < 7.2.2

Attack profile CVSS 4.0 · 9.4

Attack vector

Network

Complexity

Low

Attack requirements

None

Privileges needed

None

User interaction

Passive

Confidentiality

High

Integrity

High

Availability

High