Vulnerability DatabaseCVE-2026-20888
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CVE-2026-20888
January 22, 2026
Gitea does not properly verify authorization when canceling scheduled auto-merges via the web interface. A user with read access to pull requests may be able to cancel auto-merges scheduled by other users.
Affected Packages
https://github.com/go-gitea/gitea.git (GITHUB):
Affected version(s) >=v0.9.99 <v1.25.4
Fix Suggestion:
Update to version v1.25.4
Related Resources (9)
https://nvd.nist.gov/vuln/detail/CVE-2026-20888
https://github.com/go-gitea/gitea/security/advisories/GHSA-ccq9-c5hv-cf64
https://github.com/go-gitea/gitea/pull/36356
https://github.com/go-gitea/gitea/pull/36341
https://blog.gitea.com/release-of-1.25.4
https://blog.gitea.com/release-of-1.25.4/
https://github.com/go-gitea/gitea
https://github.com/advisories/GHSA-9cgq-wp42-4rpq
https://github.com/go-gitea/gitea/releases/tag/v1.25.4
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CVSS v4
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
4.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
Improper Access Control
CWE-284
Missing Authorization
CWE-862
EPSS
Base Score:
0.03