CVE-2026-7767

EUVD-2026-98228
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 13.11 before 19.2.8, 19.3 before 19.3.5, and 19.4 before 19.4.2 that, under certain conditions, could have allowed an authenticated user controlling a Kubernetes agent to cause sensitive authentication tokens to be sent to an unintended server due to improper redirect validation in the Kubernetes proxy.
Open Redirect
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.8 MEDIUM
NETWORK
HIGH
LOW
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 13.23%
Affected Products (NVD)
VendorProductVersion
gitlabgitlab
13.11.0 ≤
𝑥
< 19.2.8
gitlabgitlab
19.3.0 ≤
𝑥
< 19.3.5
gitlabgitlab
19.4.0 ≤
𝑥
< 19.4.2
𝑥
= Vulnerable software versions
Common Weakness Enumeration
Vulnerability Media Exposure
References
https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-2-released/
https://gitlab.com/gitlab-org/gitlab/-/work_items/598965
https://hackerone.com/reports/3597095