CVE-2026-2726
4.3
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| GitLab | GitLab | 11.10 < 18.8.7 | affected |
| GitLab | GitLab | 18.9 < 18.9.3 | affected |
| GitLab | GitLab | 18.10 < 18.10.1 | affected |
Weaknesses
- CWE-863: CWE-863: Incorrect Authorization
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
- https://hackerone.com/reports/3543886
- https://gitlab.com/gitlab-org/gitlab/-/work_items/590717
- https://about.gitlab.com/releases/2026/03/25/patch-release-gitlab-18-10-1-released/
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