CVE-2026-2726

MEDIUM

4.3

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.

CVE Details

CVSS v3.1 Score4.3

SeverityMEDIUM

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published3/25/2026

Last Modified3/26/2026

Sourcenvd

Honeypot Sightings0

Affected Products

gitlab:gitlab

Weaknesses (CWE)

CWE-863

References

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

https://gitlab.com/gitlab-org/gitlab/-/work_items/590717(cve@gitlab.com)

https://hackerone.com/reports/3543886(cve@gitlab.com)

IOC Correlations

No correlations recorded

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