CVE-2026-1184

EUVD-2026-30219
GitLab has remediated an issue in GitLab EE affecting all versions from 11.9 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an unauthenticated user to cause denial of service by uploading a specially crafted file due to improper validation.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.5 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 24%
Affected Products (NVD)
VendorProductVersion
gitlabgitlab
11.9.0 ≤
𝑥
< 18.9.7
gitlabgitlab
18.10.0 ≤
𝑥
< 18.10.6
gitlabgitlab
18.11.0 ≤
𝑥
< 18.11.3
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released/
https://gitlab.com/gitlab-org/gitlab/-/work_items/586634
https://hackerone.com/reports/3515842