CVE-2025-7000

An issue has been discovered in GitLab CE/EE affecting all versions  from 17.6  before 18.3.6, 18.4 before 18.4.4, and 18.5 before 18.5.2, that, under specific conditions, could have allowed unauthorized users to view confidential branch names by accessing project issues with related merge requests.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
4.3 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
GitLabCNA
4.3 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CISA-ADPADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 2%
VendorProductVersion
gitlabgitlab
17.6.0 ≤
𝑥
< 18.3.6
gitlabgitlab
17.6.0 ≤
𝑥
< 18.3.6
gitlabgitlab
18.4.0 ≤
𝑥
< 18.4.4
gitlabgitlab
18.4.0 ≤
𝑥
< 18.4.4
gitlabgitlab
18.5.0 ≤
𝑥
< 18.5.2
gitlabgitlab
18.5.0 ≤
𝑥
< 18.5.2
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
gitlab
sid
vulnerable
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
gitlab
questing
dne
plucky
dne
noble
dne
jammy
dne
xenial
ignored
Common Weakness Enumeration
References
https://about.gitlab.com/releases/2025/11/12/patch-release-gitlab-18-5-2-released/
https://gitlab.com/gitlab-org/gitlab/-/issues/553129
https://hackerone.com/reports/3214025