Security Advisory

CVE-2026-73090

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-08-11 17:19:30

Last updated 2026-08-11 17:19:30

Assigner GitHub_M

CVSS score not scored

State PUBLISHED

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.

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