CVE-2023-49079: Misskey

High severity, CVSS 7.5. EPSS: 0.4% chance of exploitation in the next 30 days.

Misskey is an open source, decentralized social media platform. Misskey's missing signature validation allows arbitrary users to impersonate any remote user. This issue has been patched in version 2023.11.1-beta.1.

Affected products

• Misskey Misskey: before 2023.11.1 (fixed in 2023.11.1)

Published 2023-11-29. Last modified 2026-06-17.