---
id: CVE-2026-46713
title: 'Misskey is an open source, federated social media platform'
summary: >-
  Misskey is an open source, federated social media platform. Versions 12.37.0
  and later, but prior to 2026.5.4, contain a vulnerability in the JSON-LD
  signature validation and compaction process that allows spoofed activities to
  be accept…
severity: none
cwe:
  - CWE-347
published: '2026-08-03'
updated: '2026-09-08'
sourceUpdated: '2026-09-08T20:51:43.490'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-46713'
references:
  - url: 'https://github.com/misskey-dev/misskey/releases/tag/2026.5.4'
    label: security-advisories@github.com
  - url: >-
      https://github.com/misskey-dev/misskey/security/advisories/GHSA-w8x2-gpq6-jxvf
    label: security-advisories@github.com
tags:
  - nvd
epss: 0.0028
epssPercentile: 0.18158
ingestedAt: '2026-09-08T21:11:12.263Z'
---

## Overview

Misskey is an open source, federated social media platform. Versions 12.37.0 and later, but prior to 2026.5.4, contain a vulnerability in the JSON-LD signature validation and compaction process that allows spoofed activities to be accepted as valid. This issue has been fixed in version 2026.5.4.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.