Description
Misskey is an open source, federated social media platform. Versions 12.37.0 and later, but prior to 2026.5.4, contain a vulnerability in the JSON-LD signature validation and compaction process that allows spoofed activities to be accepted as valid. This issue has been fixed in version 2026.5.4.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| misskey-dev | misskey | >= 12.37.0, < 2026.5.4 | — |