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Description

An issue has been discovered in GitLab CE/EE affecting all versions from 11.1 before 17.10.7, 17.11 before 17.11.3, and 18.0 before 18.0.1. Improper XPath validation allows modified SAML response to bypass 2FA requirement under specialized conditions.

PUBLISHED Reserved 2024-12-03 | Published 2025-05-22 | Updated 2025-05-22 | Assigner GitLab




MEDIUM: 6.8CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N

Problem types

CWE-1288: Improper Validation of Consistency within Input

Product status

Default status
unaffected

11.1 (semver) before 17.10.7
affected

17.11 (semver) before 17.11.3
affected

18.0 (semver) before 18.0.1
affected

Credits

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

References

gitlab.com/gitlab-org/gitlab/-/issues/507445 (GitLab Issue #507445) issue-tracking permissions-required

hackerone.com/reports/2851261 (HackerOne Bug Bounty Report #2851261) technical-description exploit permissions-required

cve.org (CVE-2024-12093)

nvd.nist.gov (CVE-2024-12093)

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