{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-20736", "assignerOrgId": "88ee5874-cf24-4952-aea0-31affedb7ff2", "state": "PUBLISHED", "assignerShortName": "Gitea", "dateReserved": "2026-01-08T23:02:37.558Z", "datePublished": "2026-01-22T22:01:49.678Z", "dateUpdated": "2026-01-22T22:01:49.678Z"}, "containers": {"cna": {"affected": [{"vendor": "Gitea", "product": "Gitea Open Source Git Server", "versions": [{"version": "0", "lessThanOrEqual": "1.25.3", "status": "affected", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "Gitea does not properly verify repository context when deleting attachments. A user who previously uploaded an attachment to a repository may be able to delete it after losing access to that repository by making the request through a different repository they can access."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-284", "description": "CWE-284: Improper Access Control", "lang": "en", "type": "CWE"}]}], "references": [{"url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-jr6h-pwwp-c8g6", "name": "GitHub Security Advisory", "tags": ["vendor-advisory"]}, {"url": "https://github.com/go-gitea/gitea/pull/36320", "name": "GitHub Pull Request #36320", "tags": ["patch"]}, {"url": "https://github.com/go-gitea/gitea/releases/tag/v1.25.4", "name": "Gitea v1.25.4 Release", "tags": ["release-notes"]}, {"url": "https://blog.gitea.com/release-of-1.25.4/", "name": "Gitea v1.25.4 Release Blog Post", "tags": ["release-notes"]}], "credits": [{"lang": "en", "value": "spingARbor", "type": "reporter"}], "title": "Gitea Web Attachment Deletion: Cross-Repository Unauthorized Deletion via Missing Repo Ownership Check", "providerMetadata": {"orgId": "88ee5874-cf24-4952-aea0-31affedb7ff2", "shortName": "Gitea", "dateUpdated": "2026-01-22T22:01:49.678Z"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "Gitea does not properly verify repository context when deleting attachments. A user who previously uploaded an attachment to a repository may be able to delete it after losing access to that repository by making the request through a different repository they can access."}], "id": "CVE-2026-20736", "lastModified": "2026-01-22T22:16:17.207", "metrics": {}, "published": "2026-01-22T22:16:17.207", "references": [{"source": "88ee5874-cf24-4952-aea0-31affedb7ff2", "url": "https://blog.gitea.com/release-of-1.25.4/"}, {"source": "88ee5874-cf24-4952-aea0-31affedb7ff2", "url": "https://github.com/go-gitea/gitea/pull/36320"}, {"source": "88ee5874-cf24-4952-aea0-31affedb7ff2", "url": "https://github.com/go-gitea/gitea/releases/tag/v1.25.4"}, {"source": "88ee5874-cf24-4952-aea0-31affedb7ff2", "url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-jr6h-pwwp-c8g6"}], "sourceIdentifier": "88ee5874-cf24-4952-aea0-31affedb7ff2", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-284"}], "source": "88ee5874-cf24-4952-aea0-31affedb7ff2", "type": "Secondary"}]}

{}

{}