{"action":"Upgrade misskey-js to 2025.12.0-alpha.2 or later.","affected":[{"fixed":"2025.12.0-alpha.2","introduced":"2025.9.1"}],"component":"misskey-js","cve_ids":["CVE-2025-66482"],"ecosystem":"npm","epss":0.00339,"exploited":false,"fixed_versions":["2025.12.0-alpha.2"],"ghsa_id":"GHSA-wwrj-3hvj-prpm","id":"tcs_01M5KGG7T6NW8HH648ATPN0ACT","modified_at":"2026-02-03T03:16:38.620107Z","published_at":"2025-12-15T20:59:59Z","references":["https://osv.dev/vulnerability/GHSA-wwrj-3hvj-prpm","https://github.com/misskey-dev/misskey/security/advisories/GHSA-wwrj-3hvj-prpm","https://nvd.nist.gov/vuln/detail/CVE-2025-66482","https://github.com/misskey-dev/misskey/commit/5512898463fa8487b9e6488912f35102b91f25f7","https://github.com/misskey-dev/misskey"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"GHSA-wwrj-3hvj-prpm","url":"https://osv.dev/vulnerability/GHSA-wwrj-3hvj-prpm"}],"summary":"Misskey has a login rate limit bypass via spoofed X-Forwarded-For header"}