{"cve":"CVE-2026-20888","nvd":{"published":"2026-01-22T22:16:17.890","modified":"2026-06-17T10:17:59.757","status":"Analyzed","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","score":4.3},"cwes":["CWE-284","CWE-862"],"references":["https://blog.gitea.com/release-of-1.25.4/","https://github.com/go-gitea/gitea/pull/36341","https://github.com/go-gitea/gitea/pull/36356","https://github.com/go-gitea/gitea/releases/tag/v1.25.4","https://github.com/go-gitea/gitea/security/advisories/GHSA-ccq9-c5hv-cf64"],"products":["gitea:gitea"],"source":"nvd","synced_at":"2026-10-19T22:21:16.563232421+00:00"},"epss":{"cve":"CVE-2026-20888","score":0.0033,"percentile":0.26127,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-9cgq-wp42-4rpq","url":"https://osv.dev/vulnerability/GHSA-9cgq-wp42-4rpq","summary":"Gitea does not properly verify authorization when canceling scheduled auto-merges via the web interface","modified":"2026-02-03T03:09:19.708781Z","packages":[{"ecosystem":"Go","name":"github.com/go-gitea/gitea","purl":"pkg:golang/github.com/go-gitea/gitea","ranges":["<1.25.4"],"fixed":["1.25.4"]}]},{"id":"GO-2026-4366","url":"https://osv.dev/vulnerability/GO-2026-4366","summary":"Gitea does not properly verify authorization when canceling scheduled auto-merges via the web interface in code.gitea.io/gitea","modified":"2026-03-03T04:57:56.025932Z","packages":[{"ecosystem":"Go","name":"code.gitea.io/gitea","purl":"pkg:golang/code.gitea.io/gitea","ranges":["<1.25.4"],"fixed":["1.25.4"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}