CVE-2026-46714

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.

References

• https://github.com/misskey-dev/misskey/releases/tag/2026.5.4
• https://github.com/misskey-dev/misskey/security/advisories/GHSA-wmhf-m93m-rgmj