{"id":"CVE-2026-28737","aliases":["GHSA-9cpj-qc93-vw8v","GO-2026-5286"],"url":"https://o3.security/vulnerability/CVE-2026-28737","summary":"Gitea 3D file viewer allows stored XSS through glTF extensionsRequired","details":"Gitea versions from 1.25.0 before 1.26.0 allow stored cross-site scripting through the extensionsRequired field in glTF files rendered by the 3D file viewer.","published":"2026-07-03T20:19:39.358Z","modified":"2026-08-12T03:51:23.584401473Z","cvss":{"score":8.7,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N"},"epss":{"score":0.00337,"percentile":0.26635,"asOf":"2026-08-16"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"code.gitea.io/gitea","fixedVersion":"1.26.0"}],"fix":{"url":"https://github.com/go-gitea/gitea/pull/37233","label":"go-gitea/gitea#37233"},"references":[{"type":"ADVISORY","url":"https://blog.gitea.com/release-of-1.26.0/"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/28xxx/CVE-2026-28737.json"},{"type":"ADVISORY","url":"https://github.com/go-gitea/gitea/releases/tag/v1.26.0"},{"type":"ADVISORY","url":"https://github.com/go-gitea/gitea/security/advisories/GHSA-9cpj-qc93-vw8v"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-28737"},{"type":"FIX","url":"https://github.com/go-gitea/gitea/pull/37233"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:23.584401473Z"}}