CVE-2026-73090 | BDVDB-2026-358086 Detail

Description#

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.

Impact#

Weaknesses#

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Exploit#

History#

1. Version 12026-08-11Record published in the CVE List.
2. Version 22026-08-13Most recent update recorded in the CVE List.