CVE-2026-2900
lowpriority · track · 0OT risk · elevatedEPSS 0.003 · 19 %ileDEEUNLRUUSEPSS · scored 2026-10-27
GitLab has remediated an issue in GitLab EE affecting all versions from 16.10 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that when instance-level approval rule editing prevention was enabled, could have allowed an authenticated user with Maintainer permissions to modify or delete project approval rules due to missing authorization checks.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (19)
Products and version ranges known to be affected.
advisories (3)
Vendor and ecosystem advisories describing this.
- NCSC-2026-0161Kwetsbaarheden verholpen in GitLab door GitLab Inc.NL2026-05-15csaf · ncsc_nlNL
GitLab Inc. heeft meerdere kwetsbaarheden verholpen in GitLab Community Edition (CE) en Enterprise Edition (EE) in diverse versies, met name in releases van versie 8.3 tot en met 18.11.3.
- WID-SEC-W-2026-1523GitLab: Mehrere SchwachstellenDeutsch2026-05-14csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in GitLab ausnutzen, um einen Cross-Site Scripting Angriff durchzuführen, um einen Denial of Service Angriff durchzuführen, um Informationen offenzulegen, um Dateien zu manipulieren, und um Sicherheitsvorkehrungen zu umgehen.
- BIT-gitlab-2026-2900Missing Authorization in GitLab2026-05-18vendor · osvUS
GitLab has remediated an issue in GitLab EE affecting all versions from 16.10 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that when instance-level approval rule editing prevention was enabled, could have allowed an authenticated user with Maintainer permissions to modify or delete project approval rules due to missing authorization checks.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (8)
External citations — patches, advisories, analysis.
- https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released/Patchcnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2026-2900cnnvd
- https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released/enisa_euvd
- https://gitlab.com/gitlab-org/gitlab/-/work_items/590983enisa_euvd
- https://hackerone.com/reports/3561092enisa_euvd
- https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released/Release Notesnvd
- https://gitlab.com/gitlab-org/gitlab/-/work_items/590983Not Applicablenvd
- https://hackerone.com/reports/3561092Permissions Requirednvd
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