CRITICAL 9.3 NVD
CVE-2026-73090
PeerTube is an ActivityPub-federated video streaming platform. Prior to 8.2.2, processUpdateActivity and processUpdateVideo accept an ActivityPub Update contain
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.
References
- https://github.com/Chocobozzz/PeerTube/commit/63d487d2a4a2a0e36af8c0ccb888cd23725bf7f2
- https://github.com/Chocobozzz/PeerTube/releases/tag/v8.2.2
- https://github.com/Chocobozzz/PeerTube/security/advisories/GHSA-g9p4-f7h8-hc86
This critical severity vulnerability with a CVSS score of 9.3 was published on 2026-08-11 via NVD.
Risk Timeline
CVE Disclosed2026-08-11 · -1 days ago
Remediation Resources
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