CVE-2026-73090

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{"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."}, {"lang": "es", "value": "PeerTube es una plataforma de transmisi\u00f3n de video federada con ActivityPub. Antes de la versi\u00f3n 8.2.2, processUpdateActivity y processUpdateVideo aceptan una actualizaci\u00f3n de ActivityPub que contiene un objeto Video sin verificar que byActor.url est\u00e9 autorizado para el host en videoObject.id, lo que permite a un servidor federado malicioso reescribir los metadatos de video, la visibilidad, el archivo multimedia y las URL HLS de otro servidor. Este problema est\u00e1 solucionado en la versi\u00f3n 8.2.2."}], "id": "CVE-2026-73090", "lastModified": "2026-10-24T15:10:00.190", "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"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-73090", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-08-13T14:06:14.677948Z", "version": "2.0.3"}}]}, "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": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-863"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,8.2.2)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "PeerTube", "source": "cna", "vendor": "Chocobozzz"}, "product": "peertube", "vendor": "chocobozzz"}], "created": "2026-08-12T15:45:02.832642+00:00", "updated": "2026-08-12T21:30:07.951420+00:00", "vendors": ["chocobozzz", "chocobozzz$PRODUCT$peertube"]}