{"document":{"category":"csaf_vex","csaf_version":"2.0","title":"CVE-2026-28737: Gitea 3D file viewer allows stored XSS through glTF extensionsRequired","publisher":{"category":"vendor","name":"HarborGuard Database","namespace":"https://database.harborguard.co"},"tracking":{"id":"CVE-2026-28737","status":"final","version":"1","initial_release_date":"2026-07-03T20:19:39.358Z","current_release_date":"2026-07-03T20:19:39.358Z","revision_history":[{"date":"2026-07-03T20:19:39.358Z","number":"1","summary":"Initial machine-readable export from HarborGuard."}]},"distribution":{"tlp":{"label":"WHITE"},"text":"Public CVE data; freely redistributable."},"notes":[{"category":"description","text":"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.","title":"CVE description"}],"references":[{"category":"self","summary":"CVE-2026-28737 on HarborGuard Database","url":"https://database.harborguard.co/cve/CVE-2026-28737"},{"category":"external","summary":"CVE Record","url":"https://www.cve.org/CVERecord?id=CVE-2026-28737"},{"category":"external","summary":"GitHub Security Advisory","url":"https://github.com/go-gitea/gitea/security/advisories/GHSA-9cpj-qc93-vw8v"},{"category":"external","summary":"GitHub Pull Request #37233","url":"https://github.com/go-gitea/gitea/pull/37233"},{"category":"external","summary":"Gitea v1.26.0 Release","url":"https://github.com/go-gitea/gitea/releases/tag/v1.26.0"},{"category":"external","summary":"Gitea v1.26.0 Release Blog Post","url":"https://blog.gitea.com/release-of-1.26.0/"}]},"product_tree":{"branches":[{"category":"vendor","name":"Gitea","branches":[{"category":"product_name","name":"Gitea Open Source Git Server","branches":[{"category":"product_version_range","name":">=1.25.0 <1.26.0","product":{"name":"Gitea Gitea Open Source Git Server >=1.25.0 <1.26.0","product_id":"CSAFPID-1","product_identification_helper":{"cpe":"cpe:2.3:a:gitea:gitea_open_source_git_server:*:*:*:*:*:*:*:*"}}}]}]}]},"vulnerabilities":[{"cve":"CVE-2026-28737","title":"Gitea 3D file viewer allows stored XSS through glTF extensionsRequired","notes":[{"category":"description","text":"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.","title":"CVE description"}],"product_status":{"known_affected":["CSAFPID-1"]},"scores":[{"cvss_v3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N","baseScore":8.7,"baseSeverity":"HIGH"},"products":["CSAFPID-1"]}],"remediations":[{"category":"vendor_fix","details":"Update to a fixed version: 1.26.0.","product_ids":["CSAFPID-1"],"url":"https://github.com/go-gitea/gitea/pull/37233"}]}]}