CVE-2019-12428
Users could bypass the mandatory external authentication provider sign-in restrictions by sending a specially crafted request.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.35%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An issue was discovered in GitLab Community and Enterprise Edition 6.8 through 11.11. Users could bypass the mandatory external authentication provider sign-in restrictions by sending a specially crafted request. It has Improper Authorization.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.35% probability · 71th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Affected
- gitlab/gitlab
- Source
- cve@mitre.org
EPSS 1.4% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://about.gitlab.com/blog/categories/releases/Release Notes, Vendor Advisory
- https://about.gitlab.com/releases/2019/06/03/security-release-gitlab-11-dot-11-dot-1-released/Release Notes, Vendor Advisory
- https://about.gitlab.com/blog/categories/releases/Release Notes, Vendor Advisory
- https://about.gitlab.com/releases/2019/06/03/security-release-gitlab-11-dot-11-dot-1-released/Release Notes, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.