GitLab CE/EE affecting all · GitLab Has Remediated an Issue
Source GCVE Database
Not known to be exploited · CVSS 3.5 Low · fixed in 18.5.2 : update affected systems when convenient.
Data as of 13 Nov 2026, 19:09 UTC
Thin evidence
One scorer or none| CNA (GitLab) | CVSS 3.1 | 3.5 |
|---|
- Patch
- Available – fixed in 18.5.2, 18.4.4, 18.3.6
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:LExploitation evidence
Disclosed: evidence found.
CVE published 15 Nov 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 13 Nov 2026.
What to do
AI-suggested
The issue has been remediated in GitLab CE/EE versions 18.3.6, 18.4.4, and 18.5.2 and later. Users should upgrade to these fixed versions or later to mitigate this vulnerability.
Description
A vulnerability in GitLab CE/EE versions from 16.9 before 18.3.6, 18.4 before 18.4.4, and 18.5 before 18.5.2 allows an authenticated attacker to cause a denial of service by submitting specially crafted markdown content with nested formatting patterns. This issue has been remediated in the specified fixed versions.