Vulnerability record · CVE-2026-3093 · published 29 July 2026

CVE-2026-3093: Gitlab cross-site scripting vulnerability

Gitlab · Gitlab

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.

4.7 CVSS 3.1 Medium EPSS 0.29% · top 81.0% CWE-79 · Cross-site scripting

4.7CVSS 3.1 base score

0.29%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

3References

3 Aug 2026Last modified by NVD

Description

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Gitlab Gitlab

References

Link	Tags
https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-2-1-released/	Release NotesVendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/work_items/591274	Broken Link
https://hackerone.com/reports/3539833	Permissions Required

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-3093), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.