title: Improper Access Control in GitLab
description: An authorization bypass vulnerability was discovered in GitLab affecting versions 15.1 prior to 16.7.6, 16.8 prior to 16.8.3, and 16.9 prior to 16.9.1. A developer could bypass CODEOWNERS approvals by creating a merge conflict.
problem types: CWE-284: Improper Access Control
affected:
{
vendor: GitLab
product: GitLab
repo: git://git@gitlab.com:gitlab-org/gitlab.git
versions:
version: 15.1, status: affected, lessThan: 16.7.6, versionType: semver
version: 16.8, status: affected, lessThan: 16.8.3, versionType: semver
version: 16.9, status: affected, lessThan: 16.9.1, versionType: semver
defaultStatus: unaffected
}
metrics:
format: CVSS
scenarios: GENERAL
cvssV3_1: [
version: 3.1
vectorString: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N
attackVector: NETWORK
attackComplexity: HIGH
privilegesRequired: LOW
userInteraction: REQUIRED
scope: CHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: NONE
baseScore: 7.7
baseSeverity: HIGH
]
solutions: Upgrade to versions 16.9.1, 16.8.3, 16.7.6 or above.