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Description

GitLab has remediated an issue in GitLab EE affecting all versions from 18.7 before 18.10.7, 18.11 before 18.11.4, and 19.0 before 19.0.1 that when foundational flows were enabled at the group level, could have allowed an authenticated user with developer-role permissions to bypass flow restrictions under certain conditions.

PUBLISHED Reserved 2026-04-01 | Published 2026-05-27 | Updated 2026-05-27 | Assigner GitLab




MEDIUM: 4.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Problem types

CWE-862: Missing Authorization

Product status

Default status
unaffected

18.7 (semver) before 18.10.7
affected

18.11 (semver) before 18.11.4
affected

19.0 (semver) before 19.0.1
affected

Credits

Thanks [rogerace](https://hackerone.com/rogerace) for reporting this vulnerability through our HackerOne bug bounty program finder

References

gitlab.com/gitlab-org/gitlab/-/work_items/595423

hackerone.com/reports/3626303 (HackerOne Bug Bounty Report #3626303) technical-description exploit permissions-required

about.gitlab.com/...27/patch-release-gitlab-19-0-1-released/

cve.org (CVE-2026-5296)

nvd.nist.gov (CVE-2026-5296)

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