CVE-2019-12428
An issue was discovered in GitLab Community and Enterprise Edition 6.8 through 11.11. Users could...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
9.8
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.
- Record
CVE-2019-12428- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2019-12428- Updated
- 2026-11-02
EUVDEUVD-2019-4038 No score
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.
- Record
EUVD-2019-4038- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-6jwf-9gvr-hw8m No score
An issue was discovered in GitLab Community and Enterprise Edition 6.8 through 11.11. Users could...
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.
- Record
GHSA-6jwf-9gvr-hw8m- Updated
- 2026-11-02
OSV
9.8
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.
- Record
CVE-2019-12428- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2019-12428
9.8
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.
- Record
UBUNTU-CVE-2019-12428- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
gitlabUbuntu:16.04:LTS |
All versions, plus listed versions 8.4.3+dfsg-98.4.3+dfsg-128.5.8+dfsg-5 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2019-12428 is a critical vulnerability (CVSS 9.8) in Gitlab, published March 10, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.35%, the 71st percentile. No source names a fixed version.
References
about.gitlab.com/blog/categories/releases
about.gitlab.com/releases/2019/06/03/security-release-gitlab-11-dot-11-dot-1-released
nvd.nist.gov/vuln/detail/CVE-2019-12428
github.com/advisories/GHSA-6jwf-9gvr-hw8m
ubuntu.com/security/CVE-2019-12428
about.gitlab.com/2019/06/03/security-release-gitlab-11-dot-11-dot-1-released
cve.org/CVERecord?id=CVE-2019-12428