BIT-gitlab-2026-1338

vendorUSosv

Authorization Bypass Through User-Controlled Key in GitLab

view advisory published 2026-05-18Licence: per source

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.10 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an authenticated user with developer-role permissions to delete protected container registry tags due to improper authorization checks.

describes (1)

Related CVEs.

ID	severity	EPSS	exploitable	published
CVE-2026-1338US	—	0.23% (14th)	—	2026-05-14
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.10 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an authentica…

references

External citations — patches, advisories, analysis.

https://about.gitlab.com/releases/2026/05/13/patch-release-gitlab-18-11-3-released/ARTICLE
https://gitlab.com/gitlab-org/gitlab/-/work_items/587326WEB
https://hackerone.com/reports/3480620WEB
https://nvd.nist.gov/vuln/detail/CVE-2026-1338WEB

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