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Open-source package vulnerability · GitLab

CVE-2026-12664: GitLab CE/EE improper access control in GraphQL work item email address field

mediumCVSS 3.1 6.8

Under certain conditions, an authenticated user with a readapi-scoped token could have retrieved a project's incoming email address and created work items, bypassing the token's restrictions, due to insufficient scope enforcement on a GraphQL field. Impacted versions: GitLab CE/EE all versions from 18.2 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1.

Published Oct 21, 2026

Advisory details

From the National Vulnerability Database. This product uses the NVD API but is not endorsed or certified by the NVD.

Under certain conditions, an authenticated user with a read_api-scoped token could have retrieved a project's incoming email address and created work items, bypassing the token's restrictions, due to insufficient scope enforcement on a GraphQL field. Impacted versions: GitLab CE/EE all versions from 18.2 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1. Fixed in GitLab CE/EE 19.5.1, 19.4.3 and 19.3.6, released October 21, 2026.

Credited to go7f0.

References

How this page is made: the data panel comes from the GitHub Advisory Database, CISA’s KEV catalog, the NVD and FIRST EPSS, and updates twice a day. No analysis has been written for this entry yet. Methodology

Coverage on the Beam blog

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