PT-2026-65885 · Gitlab · Gitlab

CVE-2026-3093 · Published 2026-07-29 · Updated 2026-07-29

Mitre

CVSS v3.1

4.7

Medium

Base vector

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

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.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-3093

Affected Products

Gitlab

References · 4

• 🔥 https://hackerone.com/reports/3539833 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-3093 · Security Note
• https://gitlab.com/gitlab-org/gitlab/-/work_items/591274 · Note
• https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-2-1-released · Note