8.1

CVE-2026-5816

Exploit

Improper Resolution of Path Equivalence in GitLab

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Gitlab ≫ GitLab SwEdition community Version >= 18.10.0 < 18.10.4
Gitlab ≫ GitLab SwEdition enterprise Version >= 18.10.0 < 18.10.4
Gitlab ≫ GitLab Version 18.11.0 SwEdition community
Gitlab ≫ GitLab Version 18.11.0 SwEdition enterprise
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.41% 0.323
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 8.1 2.8 5.2
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
cve@gitlab.com 8 1.6 5.8
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N
CWE-41 Improper Resolution of Path Equivalence

The product is vulnerable to file system contents disclosure through path equivalence. Path equivalence involves the use of special characters in file and directory names. The associated manipulations are intended to generate multiple names for the same object.

https://about.gitlab.com/releases/2026/04/22/patch-release-gitlab-18-11-1-released/
Vendor Advisory
Release Notes
https://hackerone.com/reports/3572231
Permissions Required
https://gitlab.com/gitlab-org/gitlab/-/work_items/592816
Broken Link