CVE-2025-25306
Critical
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.
SeverityCritical
CVSS9.3
Exploit probability—
Product
Misskey
PublishedMar 10, 2025
First seenMar 10, 2025
Weakness typeCWE-346CWE-346CWE-441CWE-441CWE-1025CWE-1025
How to fix
Update
- misskey misskey2025.2.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| misskey misskey | v < 2025.2.1 | 2025.2.1 |
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