CVE-2026-4523CWE-862broken-access-control

CVE-2026-4523

Low · published September 29, 2026

CVSS v3.1
3.7
EPSS
0%
Percentile
34.2
In the wild
Unconfirmed
What it is

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.11 before 19.2.7, 19.3 before 19.3.3, and 19.4 before 19.4.1 that under certain conditions could have allowed an unauthenticated user to read CI/CD job trace contents containing sensitive variable values due to improper authorization enforcement in the GraphQL API.

The record
Technical detail
CVSS v3.1
3.7 · LOW
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00411 · 34.2th percentile
Weakness
CWE-862 · Missing Authorization
Published
2026-09-29T14:17Z
Affected products (6)
ProductVersionsFixed in
gitlab/gitlab≥ 15.11.0, < 19.2.719.2.7
gitlab/gitlab≥ 15.11.0, < 19.2.719.2.7
gitlab/gitlab≥ 19.3.0, < 19.3.319.3.3
gitlab/gitlab≥ 19.3.0, < 19.3.319.3.3
gitlab/gitlaball versions—
gitlab/gitlaball versions—
References (3)
https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-1-released/ · [email protected]https://gitlab.com/gitlab-org/gitlab/-/work_items/594294 · [email protected]https://hackerone.com/reports/3590929 · [email protected]
EPSS history
Timeline
  • 30 SEP 03:27Z
    EPSS moved — → 0%
    epss
  • 29 SEP 09:35Z
    Missing Authorization in GitLab
    cvelistv5