{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-20897", "assignerOrgId": "88ee5874-cf24-4952-aea0-31affedb7ff2", "state": "PUBLISHED", "assignerShortName": "Gitea", "dateReserved": "2026-01-08T23:02:37.525Z", "datePublished": "2026-01-22T22:01:51.508Z", "dateUpdated": "2026-01-22T22:01:51.508Z"}, "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 validate repository ownership when deleting Git LFS locks. A user with write access to one repository may be able to delete LFS locks belonging to other repositories."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-284", "description": "CWE-284: Improper Access Control", "lang": "en", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-639", "description": "CWE-639: Authorization Bypass Through User-Controlled Key", "lang": "en", "type": "CWE"}]}], "references": [{"url": "https://github.com/go-gitea/gitea/security/advisories/GHSA-rrq5-r9h5-pc7c", "name": "GitHub Security Advisory", "tags": ["vendor-advisory"]}, {"url": "https://github.com/go-gitea/gitea/pull/36344", "name": "GitHub Pull Request #36344", "tags": ["patch"]}, {"url": "https://github.com/go-gitea/gitea/pull/36349", "name": "GitHub Pull Request #36349", "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 Git LFS Lock Deletion Broken Access Control (Cross-Repo IDOR)", "providerMetadata": {"orgId": "88ee5874-cf24-4952-aea0-31affedb7ff2", "shortName": "Gitea", "dateUpdated": "2026-01-22T22:01:51.508Z"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "Gitea does not properly validate repository ownership when deleting Git LFS locks. A user with write access to one repository may be able to delete LFS locks belonging to other repositories."}], "id": "CVE-2026-20897", "lastModified": "2026-01-22T22:16:18.960", "metrics": {}, "published": "2026-01-22T22:16:18.960", "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/36344"}, {"source": "88ee5874-cf24-4952-aea0-31affedb7ff2", "url": "https://github.com/go-gitea/gitea/pull/36349"}, {"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-rrq5-r9h5-pc7c"}], "sourceIdentifier": "88ee5874-cf24-4952-aea0-31affedb7ff2", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-284"}, {"lang": "en", "value": "CWE-639"}], "source": "88ee5874-cf24-4952-aea0-31affedb7ff2", "type": "Secondary"}]}

{}