Vulnerability Description
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.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Misskey | Misskey | < 2025.2.1 |
Related Weaknesses (CWE)
References
- https://github.com/misskey-dev/misskey/releases/tag/2025.2.1Patch
- https://github.com/misskey-dev/misskey/security/advisories/GHSA-6w2c-vf6f-xf26Third Party Advisory
FAQ
What is CVE-2025-25306?
CVE-2025-25306 is a vulnerability with a CVSS score of 9.3 (CRITICAL). 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 attacke...
How severe is CVE-2025-25306?
CVE-2025-25306 has been rated CRITICAL with a CVSS base score of 9.3/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2025-25306?
Check the references section above for vendor advisories and patch information. Affected products include: Misskey Misskey.