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
GitLabCNA
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: 15%
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
Debian logo
Debian Releases
Debian Product
Codename
gitlab
sid
vulnerable
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