Missing Authorization in GitLab
Summary
| CVE | CVE-2026-14341 |
|---|---|
| State | PUBLISHED |
| Assigner | GitLab |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-07-29 20:17:01 UTC |
| Updated | 2026-08-03 13:28:24 UTC |
| Description | GitLab has remediated an issue in GitLab CE/EE affecting all versions from 12.8 before 19.0.5, 19.1 before 19.1.3, and 19.2 before 19.2.1 that under certain conditions could have allowed an authenticated user with Maintainer role to modify protected branch configuration due to improper authorization in a projects API endpoint. |
Risk And Classification
Primary CVSS: v3.1 4.9 MEDIUM from [email protected]
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
EPSS: 0.003260000 probability, percentile 0.251430000 (date 2026-08-02)
Problem Types: CWE-862 | CWE-862 CWE-862: Missing Authorization
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Secondary | 4.9 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N |
| 3.1 | CNA | CVSS | 4.9 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N |
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
HighUser Interaction
NoneScope
UnchangedConfidentiality
NoneIntegrity
HighAvailability
NoneCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
NVD Known Affected Configurations (CPE 2.3)
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| gitlab.com/gitlab-org/gitlab/-/work_items/604665 | [email protected] | gitlab.com | Broken Link |
| hackerone.com/reports/3807593 | [email protected] | hackerone.com | Permissions Required |
| docs.gitlab.com/releases/patches/patch-release-gitlab-19-2-1-released | [email protected] | docs.gitlab.com | Release Notes, Vendor Advisory |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: Thanks [slide123](https://hackerone.com/slide123) for reporting this vulnerability through our HackerOne bug bounty program (en)
Additional Advisory Data
Solutions
CNA: Upgrade to versions 19.0.5, 19.1.3, 19.2.1 or above.
There are currently no legacy QID mappings associated with this CVE.