CVE-2025-13927

EUVD-2026-4151
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 11.9 before 18.6.4, 18.7 before 18.7.2, and 18.8 before 18.8.2 that could have allowed an unauthenticated user to create a denial of service condition by sending crafted requests with malformed authentication data.
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: 8%
Affected Products (NVD)
VendorProductVersion
gitlabgitlab
11.9.0 ≤
𝑥
< 18.6.4
gitlabgitlab
11.9.0 ≤
𝑥
< 18.6.4
gitlabgitlab
18.7.0 ≤
𝑥
< 18.7.2
gitlabgitlab
18.7.0 ≤
𝑥
< 18.7.2
gitlabgitlab
18.8.0 ≤
𝑥
< 18.8.2
gitlabgitlab
18.8.0 ≤
𝑥
< 18.8.2
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
gitlab
sid
vulnerable
Common Weakness Enumeration
References
https://about.gitlab.com/releases/2026/01/21/patch-release-gitlab-18-8-2-released/
https://gitlab.com/gitlab-org/gitlab/-/issues/582737
https://hackerone.com/reports/3439683