CVE-2026-5816CWE-41

Improper Resolution of Path Equivalence in GitLab

High · published April 22, 2026

CVSS v3.1
8.0
EPSS
1%
Percentile
47.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.0 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00589 · 47.4th percentile
Weakness
CWE-41 · Improper Resolution of Path Equivalence
Published
2026-04-22T16:04Z
EPSS history
Timeline
  • 22 APR 16:04Z
    Improper Resolution of Path Equivalence in GitLab
    cvelistv5