CVE-2026-4523

low

Description

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.

References

https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-1-released/

https://hackerone.com/reports/3590929

https://gitlab.com/gitlab-org/gitlab/-/work_items/594294

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-88690

Details

Source: Mitre, NVD

Published: 2026-09-29

Updated: 2026-10-05

Risk Information

CVSS v2

Base Score: 2.6

Vector: CVSS2#AV:N/AC:H/Au:N/C:P/I:N/A:N

Severity: Low

CVSS v3

Base Score: 3.7

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Severity: Low

EPSS

EPSS: 0.00345