CVE-2026-2726

medium

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 11.10 before 18.8.7, 18.9 before 18.9.3, and 18.10 before 18.10.1 that could have allowed an authenticated user to perform unauthorized actions on merge requests in other projects due to improper access control during cross-repository operations.

References

https://about.gitlab.com/releases/2026/03/25/patch-release-gitlab-18-10-1-released/

https://hackerone.com/reports/3543886

https://gitlab.com/gitlab-org/gitlab/-/work_items/590717

Details

Source: Mitre, NVD

Published: 2026-03-25

Updated: 2026-03-26

Risk Information

CVSS v2

Base Score: 4

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

Severity: Medium

EPSS

EPSS: 0.00012