CVE-2026-73090

Critical · CVSS 9.3

CVSS: 9.3; nvd
EPSS: 0.22%; 13th pct
KEV: No
Class: oss containerizable; CWE-863

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.

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

Status: profiled · ingested 2026-08-13T18:00:50.000Z