{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-73090", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-08-10T19:37:41.445Z", "datePublished": "2026-08-11T17:19:30.272Z", "dateUpdated": "2026-08-11T17:19:30.272Z"}, "containers": {"cna": {"title": "PeerTube: Cross-origin remote video takeover via Update activity", "problemTypes": [{"descriptions": [{"cweId": "CWE-863", "lang": "en", "description": "CWE-863: Incorrect Authorization", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 9.3, "baseSeverity": "CRITICAL", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/Chocobozzz/PeerTube/security/advisories/GHSA-g9p4-f7h8-hc86", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/Chocobozzz/PeerTube/security/advisories/GHSA-g9p4-f7h8-hc86"}, {"name": "https://github.com/Chocobozzz/PeerTube/commit/63d487d2a4a2a0e36af8c0ccb888cd23725bf7f2", "tags": ["x_refsource_MISC"], "url": "https://github.com/Chocobozzz/PeerTube/commit/63d487d2a4a2a0e36af8c0ccb888cd23725bf7f2"}, {"name": "https://github.com/Chocobozzz/PeerTube/releases/tag/v8.2.2", "tags": ["x_refsource_MISC"], "url": "https://github.com/Chocobozzz/PeerTube/releases/tag/v8.2.2"}], "affected": [{"vendor": "Chocobozzz", "product": "PeerTube", "versions": [{"version": "< 8.2.2", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-08-11T17:19:30.272Z"}, "descriptions": [{"lang": "en", "value": "PeerTube is an ActivityPub-federated video streaming platform. Prior to 8.2.2, processUpdateActivity and processUpdateVideo accept an ActivityPub Update containing a Video object without verifying that byActor.url is authorized for the host in videoObject.id, allowing a malicious federated server to rewrite another server's video metadata, visibility, media file, and HLS URLs. This issue is fixed in version 8.2.2."}], "source": {"advisory": "GHSA-g9p4-f7h8-hc86", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "PeerTube", "vendor": "Chocobozzz", "versions": [{"status": "affected", "version": "< 8.2.2"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "PeerTube is an ActivityPub-federated video streaming platform. Prior to 8.2.2, processUpdateActivity and processUpdateVideo accept an ActivityPub Update containing a Video object without verifying that byActor.url is authorized for the host in videoObject.id, allowing a malicious federated server to rewrite another server's video metadata, visibility, media file, and HLS URLs. This issue is fixed in version 8.2.2."}], "id": "CVE-2026-73090", "lastModified": "2026-08-11T18:18:26.210", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 9.3, "baseSeverity": "CRITICAL", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 4.7, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-08-11T18:18:26.210", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/Chocobozzz/PeerTube/commit/63d487d2a4a2a0e36af8c0ccb888cd23725bf7f2"}, {"source": "security-advisories@github.com", "url": "https://github.com/Chocobozzz/PeerTube/releases/tag/v8.2.2"}, {"source": "security-advisories@github.com", "url": "https://github.com/Chocobozzz/PeerTube/security/advisories/GHSA-g9p4-f7h8-hc86"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-863"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{}