CVE-2026-12664: gitlab gitlab

CVSS 6.8 (medium) · published 2026-10-22

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2 before 19.3.6, 19.4 before 19.4.3, and 19.5 before 19.5.1 that, under certain conditions, could have allowed an authenticated user with a read_api-scoped token to retrieve a project's incoming email address and create work items, bypassing the token's restrictions, due to insufficient scope enforcement on a GraphQL field.

Affected products (NVD): gitlab gitlab

Fixed in (NVD): 19.3.6, 19.4.3

Weakness: CWE-863

Source: NVD CVE-2026-12664

References

• https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-5-1-released/
• https://gitlab.com/gitlab-org/gitlab/-/work_items/603510
• https://hackerone.com/reports/3735499

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