CVE-2025-25306

Misskey is an open source, federated social media platform. The patch for CVE-2024-52591 did not sufficiently validate the relation between the `id` and `url` fields of ActivityPub objects. An attacker can forge an object where they claim authority in the `url` field even if the specific ActivityPub object type require authority in the `id` field. Version 2025.2.1 addresses the issue.

Score

CVSS 3.1 9.3 Critical

Status

Analyzed - security-advisories@github.com

Published

2025-03-10

Last modified

2025-03-12

Weaknesses

CWE-1025, CWE-346, CWE-441

Affected products

• Misskey (Misskey)
• Misskey (Misskey-dev)

References

• https://github.com/misskey-dev/misskey/releases/tag/2025.2.1
• https://github.com/misskey-dev/misskey/security/advisories/GHSA-6w2c-vf6f-xf26