CVE-2025-14871 GitLab - Denial of Service

GitLab CE/EE 18.4.6 < versions < 19.1.8, 19.2 < versions < 19.2.6, and 19.3 < versions < 19.3.2 contain a denial of service caused by improper resource allocation limits in GraphQL complexity calculation logic, letting unauthenticated users cause service disruption, exploit requires no authentication.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.50% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Denial of Service
Impact
Denial Of Service
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
16 September 2026
Updated
15 October 2026
Weakness
CWE-770

Vendor fix

Update to versions 19.1.8, 19.2.6, 19.3.2 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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