Authorization Bypass Through User-Controlled Key in GitLab
GitLab has remediated an issue in GitLab EE affecting all versions from 18.3 before 19.1.7, 19.2 before 19.2.5, and 19.3 before 19.3.1 that, under certain conditions, an authenticated user could have assigned compliance frameworks from namespaces they were not authorized to access to their own project, due to missing namespace validation on self-managed instances.
BIT-gitlab-2026-4398
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: osv:BIT-gitlab-2026-4398
gitlab
Source reference: /affected/0/package/name
- Affected versions
- Not stated in this record
- Fixed versions
- 19.1.7
Source reference:
/affected/0/ranges19.2.5Source reference:
/affected/0/ranges19.3.1Source reference:
/affected/0/ranges - Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"ranges": [
{
"type": "SEMVER",
"events": [
{
"introduced": "18.3.0"
},
{
"fixed": "19.1.7"
},
{
"introduced": "19.2.0"
},
{
"fixed": "19.2.5"
},
{
"introduced": "19.3.0"
},
{
"fixed": "19.3.1"
}
]
}
],
"package": {
"name": "gitlab",
"purl": "pkg:bitnami/gitlab",
"ecosystem": "Bitnami"
},
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N"
}
],
"database_specific": {
"source": "https://github.com/bitnami/vulndb/tree/main/data/gitlab/BIT-gitlab-2026-4398.json"
}
}
]- Related CVEs
- CVE-2026-4398
Source reference:
/aliases
Publisher severity
medium
Source reference: /database_specific/severity
- Event
- #25934 · Revision 1
- Added to Heist Feed
- Publisher date