CVE-2025-11447

EUVD-2025-35955
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 11.0 before 18.3.5, 18.4 before 18.4.3, and 18.5 before 18.5.1 that could have allowed an unauthenticated attacker to cause a denial of service condition by sending GraphQL requests with crafted JSON payloads.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 51%
Affected Products (NVD)
VendorProductVersion
gitlabgitlab
11.0.0 ≤
𝑥
< 18.3.5
gitlabgitlab
11.0.0 ≤
𝑥
< 18.3.5
gitlabgitlab
18.4.0 ≤
𝑥
< 18.4.3
gitlabgitlab
18.4.0 ≤
𝑥
< 18.4.3
gitlabgitlab
18.5.0
gitlabgitlab
18.5.0
𝑥
= Vulnerable software versions
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
gitlab
jammy
dne
noble
dne
plucky
dne
questing
dne
xenial
ignored
Common Weakness Enumeration
References
https://about.gitlab.com/releases/2025/10/22/patch-release-gitlab-18-5-1-released/
https://gitlab.com/gitlab-org/gitlab/-/issues/574858
https://hackerone.com/reports/3367019