CVE-2019-5466 json
An IDOR was discovered in GitLab CE/EE 11.5 and later that allowed new merge requests endpoint to disclose label names.
published 6y ago modified 4mo ago also EUVD-2019-15048
- cvss
- 4.3
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 62%
- public exploits
- 0
- none known
Summary
An IDOR was discovered in GitLab CE/EE 11.5 and later that allowed new merge requests endpoint to disclose label names.
Patch / fix
- gitlab gitlab 11.11.7
Is CVE-2019-5466 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
0.97% chance of exploitation in the next 30 days, higher than 62% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- gitlab.com https://gitlab.com/gitlab-org/gitlab-ce/issues/59809 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
| NVD | 2.0 | 4.0 | AV:N/AC:L/Au:S/C:P/I:N/A:N |
Affected products
- n/a GitLab CE/EE
Classification
- Weakness
-
- CWE-639 Authorization Bypass Through User-Controlled Key
- Technology feeds
References
-
about.gitlab.com
/releases/2019/07/29/security-release-gitlab-12-dot-1-dot-2-released/
patch, release-notes, vendor-advisory
-
gitlab.com
/gitlab-org/gitlab-ce/issues/59809
exploit, vendor-advisory
-
hackerone.com
/reports/507113
permissions-required
Sources
- CVE List CVE-2019-5466
- NVD CVE-2019-5466
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.