CVE-2020-13266
Insecure authorization in Project Deploy Keys in GitLab CE/EE 12.8 and later through 13.0.1...
Insecure authorization in Project Deploy Keys in GitLab CE/EE 12.8 and later through 13.0.1 allows users to update permissions of other users' deploy keys under certain conditions
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Insecure authorization in Project Deploy Keys in GitLab CE/EE 12.8 and later through 13.0.1 allows users to update permissions of other users' deploy keys under certain conditions
- Record
CVE-2020-13266- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N - Updated
- 2026-11-02
EUVDEUVD-2020-5527
Insecure authorization in Project Deploy Keys in GitLab CE/EE 12.8 and later through 13.0.1 allows users to update permissions of other users' deploy keys under certain conditions
- Record
EUVD-2020-5527- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-qx5w-mmcc-hg72 No score
Insecure authorization in Project Deploy Keys in GitLab CE/EE 12.8 and later through 13.0.1...
Insecure authorization in Project Deploy Keys in GitLab CE/EE 12.8 and later through 13.0.1 allows users to update permissions of other users' deploy keys under certain conditions
- Record
GHSA-qx5w-mmcc-hg72- Updated
- 2026-11-02
NVD
Insecure authorization in Project Deploy Keys in GitLab CE/EE 12.8 and later through 13.0.1 allows users to update permissions of other users' deploy keys under certain conditions
- Record
CVE-2020-13266- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N - CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N - CVSS 2.0
- 4.0 Medium
AV:N/AC:L/Au:S/C:N/I:P/A:N - Weakness
- CWE-862
- Updated
- 2026-11-02
OSV
Insecure authorization in Project Deploy Keys in GitLab CE/EE 12.8 and later through 13.0.1 allows users to update permissions of other users' deploy keys under certain conditions
- Record
CVE-2020-13266- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N - Updated
- 2026-11-02
OSVBIT-gitlab-2020-13266 No score
Insecure authorization in Project Deploy Keys in GitLab CE/EE 12.8 and later through 13.0.1 allows users to update permissions of other users' deploy keys under certain conditions
- Record
BIT-gitlab-2020-13266- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
gitlabBitnami |
12.8.0 up to 12.9.8, 12.10.0 up to 12.10.7, 13.0.0 up to 13.0.1 | 12.9.812.10.713.0.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| 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-2020-13266 is a medium vulnerability (CVSS 4.3) in Gitlab, published June 9, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.55%, the 46th percentile. Fixed in gitlab 12.9.8.