CVE-2026-20888
Gitea Pull Requests Auto-Merge: Read-Only Users Can Cancel Scheduled Auto-Merge via Web Endpoint (Authorization Bypass)
4.3
MEDIUM
CVSS 3.1
EPSS 0.02%
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.
How to fix CVE-2026-20888
To remediate CVE-2026-20888, upgrade the affected package to a fixed version below.
- —upgrade to 1.25.4 or later
- —upgrade to 1.25.4 or later
- —upgrade to 1.25.4 or later
Is CVE-2026-20888 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 1.25.4
- from 0, < 1.25.4
- from 0, < 1.25.4
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N |
| osv | CVSS 3.1 | MEDIUM4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |