CVE-2024-32983

Misskey allows the impersonation and takeover of remote accounts with unnormalized signed activities

Published Jun 3, 2024 CVSS 3.1 · 8.2 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source ID Title
EUVD EUVD EUVD-2024-30729 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.
History
Type Values Removed Values Added
First Time appeared Misskey
Misskey misskey
CPEs cpe:2.3:a:misskey:misskey:*:*:*:*:*:*:*:*
Vendors & Products Misskey
Misskey misskey
Type Values Removed Values Added
Metrics epss

{'score': 0.00125}

epss

{'score': 0.00126}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Aug 2, 2024, 2:27 AM
Reserved
Apr 22, 2024, 3:14 PM
Status
Analyzed
Published
Jun 3, 2024, 4:15 PM
Modified
Jun 17, 2026, 7:30 AM