CVE-2026-3848

EUVD-2026-11208
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 8.11 before 18.7.6, 18.8 before 18.8.6, and 18.9 before 18.9.2 that could have allowed an authenticated user to make unintended internal requests through proxy environments under certain conditions due to improper input validation in import functionality.
CRLF Injection
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Affected Products (NVD)
VendorProductVersion
gitlabgitlab
8.11.0 ≤
𝑥
< 18.7.6
gitlabgitlab
8.11.0 ≤
𝑥
< 18.7.6
gitlabgitlab
18.8.0 ≤
𝑥
< 18.8.6
gitlabgitlab
18.8.0 ≤
𝑥
< 18.8.6
gitlabgitlab
18.9.0 ≤
𝑥
< 18.9.2
gitlabgitlab
18.9.0 ≤
𝑥
< 18.9.2
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
gitlab
sid
vulnerable
Common Weakness Enumeration
References
https://about.gitlab.com/releases/2026/03/11/patch-release-gitlab-18-9-2-released/
https://gitlab.com/gitlab-org/gitlab/-/work_items/577298