CVE-2026-3093 Details
Description
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.
A cross-site scripting vulnerability has been identified in GitLab Community Edition (CE) and Enterprise Edition (EE) versions 14.0 prior to 19.0.5, 19.1 prior to 19.1.3, and 19.2 prior to 19.2.1. This vulnerability could allow an attacker to execute arbitrary JavaScript in another user's browser through a crafted URL, due to inadequate sanitization of user-controlled input.
Users are advised to upgrade to GitLab versions 19.2.1, 19.1.3, or 19.0.5. Instructions for updating GitLab can be found on the GitLab Update page.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jul 29, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-2-1-released/ | [email protected] | Release NotesVendor Advisory |
| https://gitlab.com/gitlab-org/gitlab/-/work_items/591274 | [email protected] | Broken Link |
| https://hackerone.com/reports/3539833 | [email protected] | Permissions Required |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-79 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| gitlab gitlab | >= 14.0.0, < 19.0.5 >= 19.1.0, < 19.1.3 19.2.0 |
CPE
Remediation
| |
Change History
3 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Aug 3, 2026 | Initial Analysis | [email protected] |
| Jul 29, 2026 | New CVE Received | [email protected] |
| Jul 29, 2026 | CVE Modified | CISA-ADP |