Description

Misskey is an open source, federated social media platform. All Misskey servers prior to 2026.3.1 contain a vulnerability that allows bypassing HTTP signature verification. Although this is a vulnerability related to federation, it affects all servers regardless of whether federation is enabled or disabled. This vulnerability is fixed in 2026.3.1.

INFO

Published Date :

2026-03-09T21:19:43.220Z

Last Modified :

2026-03-10T14:45:12.846Z

Source :

GitHub_M
AFFECTED PRODUCTS

The following products are affected by CVE-2026-28432 vulnerability.

Vendors Products
Misskey
  • Misskey
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-28432.

URL Resource
https://github.com/misskey-dev/misskey/security/advisories/GHSA-grwc-c762-gcvp cve-icon cve-icon
Login to claim this CVE

CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability
Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact