CVE-2026-1660

EUVD-2026-24959
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 12.3 before 18.9.6, 18.10 before 18.10.4, and 18.11 before 18.11.1 that under certain conditions could have allowed an authenticated user to cause denial of service when importing issues due to improper input validation.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
GitLabCNA
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: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
gitlabgitlab
12.3 ≤
𝑥
< 18.9.6
CNA
gitlabgitlab
18.10 ≤
𝑥
< 18.10.4
CNA
gitlabgitlab
18.11 ≤
𝑥
< 18.11.1
CNA
Debian logo
Debian Releases
Debian Product
Codename
gitlab
sid
vulnerable
Common Weakness Enumeration
References
https://about.gitlab.com/releases/2026/04/22/patch-release-gitlab-18-11-1-released/
https://gitlab.com/gitlab-org/gitlab/-/work_items/588200
https://hackerone.com/reports/3518743