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CVE-2026-20888

Gitea Pull Requests Auto-Merge: Read-Only Users Can Cancel Scheduled Auto-Merge via Web Endpoint (Authorization Bypass)

Published: Jan 22, 2026Updated: Jan 29, 2026 Sources: CVE List NVD GHSACWE-284
4.3MEDIUM
NVD MITRE
EPSS Score
0.3%
Top 77.4%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:LI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:NIntegrity
None
A:NAvailability
None
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Weaknesses

CWE-284CWE-862

Affected Products

Gitea
oss-projectaka gitea open source git server
Gitea Open Source Git ServerOn-premWeb App
DevTools & CI / artifact-registry
giteaOn-premWeb App
DevTools & CI / source-control
Go
package-ecosystem
github.com/go-gitea/gitea
OSS Libraries

Exploitability

Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques
Initial Access
View detailed technique mapping

References

https://github.com/go-gitea/gitea/security/advisories/GHSA-ccq9-c5hv-cf64
github.com
https://github.com/go-gitea/gitea/pull/36341
github.com
https://github.com/go-gitea/gitea/pull/36356
github.com
and 5 more references View all →

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