VULNERABILITY INTELLIGENCE

CVE-2024-32983

CVSS score8.2 HIGH
EPSS probability0.40%
CISA KEVNot currently listed
Published2024-06-03
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N

Description

Misskey is an open source, decentralized microblogging platform. Misskey doesn't perform proper normalization on the JSON structures of incoming signed ActivityPub activity objects before processing them, allowing threat actors to spoof the contents of signed activities and impersonate the authors of the original activities. This vulnerability is fixed in 2024.5.0.

Weakness classification

  • security-advisories@github.com: CWE-863

Primary references