Description
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.10 before 18.10.4 and 18.11 before 18.11.1 that could have allowed an unauthenticated user to execute arbitrary JavaScript in a user's browser session due to improper path validation under certain conditions.
Published: 2026-04-22
Score: 8 High
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

No analysis available yet.

Remediation

Vendor Solution

Upgrade to versions 18.10.4, 18.11.1 or above.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

History

Wed, 22 Apr 2026 18:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 22 Apr 2026 16:30:00 +0000

Type Values Removed Values Added
Description GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.10 before 18.10.4 and 18.11 before 18.11.1 that could have allowed an unauthenticated user to execute arbitrary JavaScript in a user's browser session due to improper path validation under certain conditions.
Title Improper Resolution of Path Equivalence in GitLab
First Time appeared Gitlab
Gitlab gitlab
Weaknesses CWE-41
CPEs cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
Vendors & Products Gitlab
Gitlab gitlab
References
Metrics cvssV3_1

{'score': 8, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GitLab

Published:

Updated: 2026-04-22T17:51:42.175Z

Reserved: 2026-04-08T15:33:27.101Z

Link: CVE-2026-5816

cve-icon Vulnrichment

Updated: 2026-04-22T17:51:37.879Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-04-22T17:16:44.763

Modified: 2026-04-22T21:23:52.620

Link: CVE-2026-5816

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-04-22T20:15:20Z

Weaknesses