Vulnerability in Misskey-Dev Misskey

CVE-2026-46713

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.

EPSS: 0.002 (7.2th percentile) — read the EPSS interpretation.

Affected products

Weakness classification (CWE)

References