CVE-2026-73090
9.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:N
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Chocobozzz | PeerTube | < 8.2.2 | affected |
Weaknesses
- CWE-863: CWE-863: Incorrect Authorization
References
- https://github.com/Chocobozzz/PeerTube/security/advisories/GHSA-g9p4-f7h8-hc86
- https://github.com/Chocobozzz/PeerTube/commit/63d487d2a4a2a0e36af8c0ccb888cd23725bf7f2
- https://github.com/Chocobozzz/PeerTube/releases/tag/v8.2.2
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