GHSA-PGQF-926R-548M Gitea: Cross-repository label-ID enumeration oracle via unscoped DeleteIssueLabel API

Summary The API endpoint DELETE /repos/owner/repo/issues/index/labels/id loads the label by ID with a global, unscoped lookup and never verifies the label belongs to the URL's repository or its owning organization. Because the response status differs by whether the label ID exists anywhere on the...