CVE-2026-4523

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.

CVSS 3.1

3.7CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS

0.3% chance of exploitation in the next 30 days; higher than 17% of CVEs (scores of 2026-10-25)

CWE

CWE-862

Published

2026-09-29

Modified

2026-10-05

Record from

the NVD, synced 2026-10-19

Affected

• gitlab:gitlab

References

• https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-4-1-released/
• https://gitlab.com/gitlab-org/gitlab/-/work_items/594294
• https://hackerone.com/reports/3590929

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