CVE-2026-8937

medium

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 19.0 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 authenticated user to read private child issue contents, including titles and descriptions, from projects they had no access to, due to missing authorization checks on linked work items within visible epics.

References

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

https://hackerone.com/reports/3702369

https://gitlab.com/gitlab-org/gitlab/-/work_items/600533

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-88689

Details

Source: Mitre, NVD

Published: 2026-09-29

Updated: 2026-10-05

Risk Information

CVSS v2

Base Score: 4

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

Severity: Medium

CVSS v3

Base Score: 4.3

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

Severity: Medium

EPSS

EPSS: 0.00263