CVE-2026-3093

4.7 mediumEPSS 0.3%

Medium (4.7) in gitlab gitlab. EPSS 0.3% chance of exploitation in the next 30 days.

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 14.0 before 19.0.5, 19.1 before 19.1.3, and 19.2 before 19.2.1 that under certain conditions could have allowed an attacker to execute arbitrary JavaScript in another user's browser via a crafted URL, due to improper sanitization of user-controlled input.

Severity

CVSS 3.1

4.7 medium

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 21% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2026-07-29
Modified: 2026-08-03
Record from: the NVD, synced 2026-10-19

Affected

gitlab:gitlab

References

https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-2-1-released/
https://gitlab.com/gitlab-org/gitlab/-/work_items/591274
https://hackerone.com/reports/3539833

Check your stack JSON