CVE-2026-102490

Analyzed
Published: 30 Sept 2026, 16:21
Last modified:02 Oct 2026, 16:35

Vulnerability Summary

Overall Risk (default)
high
70/100
CVSS Score
9.8 CRITICAL
v3.1 (nvd)
EPSS Score
0.26% LOW
0% probability -0.06%
KEV
Listed
CISA
1 listing
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

30 Sept 2026, 16:21
Published
Vulnerability first disclosed
02 Oct 2026, 00:00
Added to CISA KEV
Zammad GmbH Zammad Improper Privilege Management Vulnerability
02 Oct 2026, 16:35
Last Modified
Vulnerability information updated
05 Oct 2026, 00:00
CISA Remediation Due
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.

CVSS Metrics

  • v4.0•HIGH•Score: 8.5CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/AU:Y/V:D
  • v4.0•CRITICAL•Score: 9.4CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:A/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:X/V:C/RE:X/U:X
  • v3.1•CRITICAL•Score: 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Trends

Current EPSS score: 0.26%• Percentile: 16%

Techniques & Countermeasures

  • CWE-269•Improper Privilege Management

    The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.

Affected Systems

  • zammad gmbh•zammad

    ≥ 1.5.0, < 7.1.0-alpha

  • zammad•zammad

    ≥ 1.5.0, < 7.1.0 | 7.1.0:alpha

References (3)