CVE-2026-20888

medium

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.

References

https://github.com/go-gitea/gitea/security/advisories/GHSA-ccq9-c5hv-cf64

https://github.com/go-gitea/gitea/releases/tag/v1.25.4

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/

Details

Source: Mitre, NVD

Published: 2026-01-22

Updated: 2026-01-26

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 4.3

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Severity: Medium

CVSS v4

Base Score: 5.3

Vector: 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

Severity: Medium

EPSS

EPSS: 0.00017