CVE-2023-6477 | THREATINT

Description

An issue has been discovered in GitLab EE affecting all versions starting from 16.5 before 16.7.6, all versions starting from 16.8 before 16.8.3, all versions starting from 16.9 before 16.9.1. When a user is assigned a custom role with admin_group_member permission, they may be able to make a group, other members or themselves Owners of that group, which may lead to privilege escalation.

Reserved 2023-12-04 | Published 2024-02-21 | Updated 2025-04-22 | Assigner GitLab

MEDIUM: 6.7CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L

Problem types

CWE-266: Incorrect Privilege Assignment

Product status

Default status

unaffected

16.5 before 16.7.6

affected

16.8 before 16.8.3

affected

16.9 before 16.9.1

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/433463 (GitLab Issue #433463) issue-tracking

hackerone.com/reports/2270898 (HackerOne Bug Bounty Report #2270898) technical-description exploit permissions-required

cve.org (CVE-2023-6477)

nvd.nist.gov (CVE-2023-6477)

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