high Known exploitedREV. 01

CVE-2026-102490Zammad Packages — Local Escalation to Root

Zammad services from the Linux packages started as root and ran files the zammad account could change. A local attacker with write access as that account could become root within seconds. Source and official container installs are not affected.

YOUR NEXT MOVE

Follow Zammad's advisory for CVE-2026-102489 and CVE-2026-102490 on every packaged install.

Read the risk

THE VITAL STATS
CVSS score
7.8/ 10
CVSS v3.1
EPSS probability
10.9%
Likelihood of exploitation
Attack complexity
Low
Conditions needed to exploit
Known exploited
Yes — CISA KEV
CVE published
2026-09-30
Added to KEV
2026-10-02
CISA due date
2026-10-05
Exploit published
Not recorded
Confidence
high
Kill chain
privilege escalation
MITRE ATT&CK
T1068
Severity
high

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attacker needsFile system write privileges as the unprivileged zammad service account. CVE-2026-102489 can supply this foothold.

Behind the card

5 REFERENCES
Field-level provenanceTRACE THE SOURCES +

Which source supports each field, when it was retrieved, and who extracted it.

FieldsSourceRetrievedExtractorConfidence
cvss, exploitation.attack_complexity, exploitation.exploit_available, published_at, referencesnvd.nist.gov2026-11-05scrty-crds-pipeline/0.1high
exploitation.known_exploited, exploitation.kev_added, exploitation.kev_duecisa.gov2026-11-05scrty-crds-pipeline/0.1high
epssapi.first.org2026-11-05scrty-crds-pipeline/0.1high
title, subtitle, summary, severity, remediation, mitre_attack, kill_chain, recommended_action, confidence, tags, exploitation.prerequisitesnvd.nist.gov2026-11-05claude-codehigh

Printing history

THE RECORD
  1. r1Initial base card

History unavailable — this build has no Git history for the card file.