title: Improper Access Control in GitLab
description: An issue has been discovered in GitLab EE affecting all versions starting from 15.3 before 16.5.6, all versions starting from 16.6 before 16.6.4, all versions starting from 16.7 before 16.7.2. The required CODEOWNERS approval could be bypassed by adding changes to a previously approved merge request.
problem types: CWE-284: Improper Access Control
affected:
{
vendor: GitLab
product: GitLab
repo: git://git@gitlab.com:gitlab-org/gitlab.git
versions:
version: 15.3, status: affected, lessThan: 16.5.6, versionType: semver
version: 16.6, status: affected, lessThan: 16.6.4, versionType: semver
version: 16.7, status: affected, lessThan: 16.7.2, versionType: semver
defaultStatus: unaffected
}
metrics:
format: CVSS
scenarios: GENERAL
cvssV3_1: [
version: 3.1
vectorString: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:H/A:N
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: REQUIRED
scope: CHANGED
confidentialityImpact: LOW
integrityImpact: HIGH
availabilityImpact: NONE
baseScore: 7.6
baseSeverity: HIGH
]
solutions: Upgrade to versions  16.7.2, 16.6.4, 16.5.6  or above.