{"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":0.00174,"epssPercentile":0.07171,"ingestedAt":"2026-09-08T21:11:12.263Z","slug":"CVE-2026-46713","body":"## Overview\n\nMisskey 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}