CVE-2026-102490: Zammad GmbH Zammad Improper Privilege Management Vulnerability
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Patch now
HIGH 7.8EXPLOITEDUPGRADE
CVE-2026-102490 is a high-severity flaw (CVSS 7.8) affecting zammad, reported as exploited in the wild. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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 seco
Why this priority
- High severity
- Exploited in the wild (CISA KEV)
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.8 (High) |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.5% (top 55%) |
| CISA exploited list | Yes, fix due 2026-10-05 |
| Weakness | CWE-269 |
| Published | 2026-09-30 |
| Last modified | 2026-10-09 |
Publisher (CNA): Dutch Institute for Vulnerability Disclosure · Vendor: zammad
Am I affected?
Timeline
- Published CVE record published
- Exploited Added to the CISA Known Exploited Vulnerabilities list
- Deadline CISA due date for US federal agencies to patch
- Updated Record last modified
zammad zammad UPGRADE
Affected: < 7.2.2
Fixed in: 7.2.2
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy zammad || rpm -q zammad || zammad --version
2. UPGRADE to 7.2.2 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade zammad
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade zammad
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
Exact fixes by distribution
Fedora 46 · retext · FIXED · 8.1.0-1.fc46 · FEDORA-2026-0602a84203 · source
sudo dnf upgrade --advisory=FEDORA-2026-0602a84203
Verify at the official source NVD · CVE Program · CISA KEV catalog · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Related CVEs
- CVE-2026-102489 CRITICAL 9.8 EXPLOITED UPGRADE Zammad GmbH Zammad Session Fixation Vulnerability