CVE-2025-32946: PeerTube Arbitrary Playlist Creation via ActivityPub Protocol

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-04-15 · updated 2026-06-17
Weakness: CWE-282

Description

This vulnerability allows any attacker to add playlists to a different user’s channel using the ActivityPub protocol. The vulnerable code sets the owner of the new playlist to be the user who performed the request, and then sets the associated channel to the channel ID supplied by the request, without checking if it belongs to the user.

Affected products

chocobozzz/peertube: before 7.1.1 — fixed in 7.1.1

How to fix

Upgrade to a fixed version: chocobozzz/peertube 7.1.1. Check the vendor advisory for mitigations.

References

https://github.com/Chocobozzz/PeerTube/releases/tag/v7.1.1
https://research.jfrog.com/vulnerabilities/peertube-arbitrary-playlist-creation-activitypub/

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