CVE-2019-5466
An IDOR was discovered in GitLab CE/EE 11.5 and later that allowed new merge requests endpoint to...
An IDOR was discovered in GitLab CE/EE 11.5 and later that allowed new merge requests endpoint to disclose label names.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
An IDOR was discovered in GitLab CE/EE 11.5 and later that allowed new merge requests endpoint to disclose label names.
- Record
CVE-2019-5466- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N - CVSS 2.0
- 4.0 Medium
AV:N/AC:L/Au:S/C:P/I:N/A:N - Weakness
- CWE-639
- Updated
- 2026-11-02
CVE List No score
An IDOR was discovered in GitLab CE/EE 11.5 and later that allowed new merge requests endpoint to disclose label names.
- Record
CVE-2019-5466- Weakness
- CWE-639
- Updated
- 2026-11-02
EUVDEUVD-2019-15048 No score
An IDOR was discovered in GitLab CE/EE 11.5 and later that allowed new merge requests endpoint to disclose label names.
- Record
EUVD-2019-15048- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-8c93-42cq-rfjj
An IDOR was discovered in GitLab CE/EE 11.5 and later that allowed new merge requests endpoint to...
An IDOR was discovered in GitLab CE/EE 11.5 and later that allowed new merge requests endpoint to disclose label names.
- Record
GHSA-8c93-42cq-rfjj- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-639
- Updated
- 2026-11-02
OSV
An IDOR was discovered in GitLab CE/EE 11.5 and later that allowed new merge requests endpoint to disclose label names.
- Record
CVE-2019-5466- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, products | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2019-5466 is a medium vulnerability (CVSS 4.3) in Gitlab, published January 28, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.97%, the 62nd percentile. No source names a fixed version.