CVE-2024-32983

HIGH

Misskey < 2024.5.0 - Activity Spoofing via Improper JSON Normalization

Title source: llm
STIX 2.1

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.

References (2)

Core 2

Scores

CVSS v3 8.2
EPSS 0.0040
EPSS Percentile 31.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-863
Status published
Products (1)
misskey/misskey < 2024.5.0
Published Jun 03, 2024
Tracked Since Feb 18, 2026