CVE-2025-12983
low-risk
Published 2025-11-15
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 16.9 before 18.3.6, 18.4 before 18.4.4, and 18.5 before 18.5.2 that could have allowed an authenticated attacker to cause a denial of service condition by submitting specially crafted markdown content with nested formatting patterns.
Do I need to act?
-
0.02% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
3
CVSS 3.5/10
Low
NETWORK
/ HIGH complexity
Affected Vendors
References (3)
Permissions Required
https://hackerone.com/reports/3419588
19
/ 100
low-risk
Severity
12/34 · Low
Exploitability
0/34 · Minimal
Exposure
7/34 · Low