Description
Misskey is an open source, federated social media platform. IVersions 8.63.0 and later, but prior to 2026.5.4, contain a vulnerability that can cause the Misskey web client to slow down or crash when it applies a malformed theme. This issue has been fixed in version 2026.5.4.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| misskey-dev | misskey | >= 8.63.0, < 2026.5.4 | — |