{"schema_version":1,"title":"Misskey vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 5 vulnerabilities in Misskey: 0 in the last 7 days and 3 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-104817, was published on 13 October 2026. 3 vulnerabilities in the last four weeks, up from none in the four before.","url":"https://junglewise.ai/threats/technologies/misskey-misskey","json_url":"https://junglewise.ai/threats/technologies/misskey-misskey.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/misskey-misskey","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","thin":false,"counts":{"high":0,"all_time":5,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":0,"last_90_days":3,"last_365_days":5},"latest":[{"cve":"CVE-2026-104817","epss":0.0046,"slug":"cve-2026-104817-misskey-is-an-open-source-federated-social-media-platform-from","title":"Misskey fetch-rss API missing rate limits and response size restrictions","severity":"info","exploited":false,"published_at":"2026-10-13T19:17:55.697+00:00","url":"https://junglewise.ai/threats/cve-2026-104817-misskey-is-an-open-source-federated-social-media-platform-from"},{"cve":"CVE-2026-104816","epss":0.0063,"slug":"cve-2026-104816-misskey-is-an-open-source-federated-social-media-platform-from","title":"Misskey RSS widget XSS via unsafe URL scheme","severity":"info","exploited":false,"published_at":"2026-10-13T19:17:55.547+00:00","url":"https://junglewise.ai/threats/cve-2026-104816-misskey-is-an-open-source-federated-social-media-platform-from"},{"cve":"CVE-2026-103937","epss":0.005,"slug":"cve-2026-103937-misskey-is-an-open-source-federated-social-media-platform-from","title":"Misskey multipart API cleanup denial of service","severity":"info","exploited":false,"published_at":"2026-10-13T19:17:54.387+00:00","url":"https://junglewise.ai/threats/cve-2026-103937-misskey-is-an-open-source-federated-social-media-platform-from"},{"cve":"CVE-2025-66482","cvss":6.5,"epss":0.0034,"slug":"cve-2025-66482-misskey-login-rate-limit-bypass-via-x-forwarded-for-spoofing","title":"Misskey login rate limit bypass via X-Forwarded-For spoofing","severity":"medium","exploited":false,"published_at":"2025-12-16T00:16:02.503+00:00","url":"https://junglewise.ai/threats/cve-2025-66482-misskey-login-rate-limit-bypass-via-x-forwarded-for-spoofing"},{"cve":"CVE-2025-66402","cvss":6.5,"epss":0.0031,"slug":"cve-2025-66402-misskey-js-export-data-contains-private-post-data","title":"Misskey.js export data contains private post data","severity":"medium","exploited":false,"published_at":"2025-12-16T00:16:02.207+00:00","url":"https://junglewise.ai/threats/cve-2025-66402-misskey-js-export-data-contains-private-post-data"}],"weekly":[{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-28","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-05","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-12","critical":0,"exploited":0,"vulnerabilities":3},{"week":"2026-10-19","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-10-26","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-11-02","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-11-09","critical":0,"exploited":0,"vulnerabilities":0}],"related":[],"technology":{"hub":true,"name":"Misskey","slug":"misskey-misskey","vendor":{"hub":true,"name":"Misskey","slug":"misskey","url":"https://junglewise.ai/threats/vendors/misskey"},"aliases":[],"category":"social-media-platform","description":"Open source decentralized social networking platform with ActivityPub federation support.","url":"https://junglewise.ai/threats/technologies/misskey-misskey"},"most_severe":[{"cve":"CVE-2025-66482","cvss":6.5,"epss":0.0034,"slug":"cve-2025-66482-misskey-login-rate-limit-bypass-via-x-forwarded-for-spoofing","title":"Misskey login rate limit bypass via X-Forwarded-For spoofing","severity":"medium","exploited":false,"published_at":"2025-12-16T00:16:02.503+00:00","url":"https://junglewise.ai/threats/cve-2025-66482-misskey-login-rate-limit-bypass-via-x-forwarded-for-spoofing"},{"cve":"CVE-2025-66402","cvss":6.5,"epss":0.0031,"slug":"cve-2025-66402-misskey-js-export-data-contains-private-post-data","title":"Misskey.js export data contains private post data","severity":"medium","exploited":false,"published_at":"2025-12-16T00:16:02.207+00:00","url":"https://junglewise.ai/threats/cve-2025-66402-misskey-js-export-data-contains-private-post-data"},{"cve":"CVE-2026-104816","epss":0.0063,"slug":"cve-2026-104816-misskey-is-an-open-source-federated-social-media-platform-from","title":"Misskey RSS widget XSS via unsafe URL scheme","severity":"info","exploited":false,"published_at":"2026-10-13T19:17:55.547+00:00","url":"https://junglewise.ai/threats/cve-2026-104816-misskey-is-an-open-source-federated-social-media-platform-from"},{"cve":"CVE-2026-103937","epss":0.005,"slug":"cve-2026-103937-misskey-is-an-open-source-federated-social-media-platform-from","title":"Misskey multipart API cleanup denial of service","severity":"info","exploited":false,"published_at":"2026-10-13T19:17:54.387+00:00","url":"https://junglewise.ai/threats/cve-2026-103937-misskey-is-an-open-source-federated-social-media-platform-from"},{"cve":"CVE-2026-104817","epss":0.0046,"slug":"cve-2026-104817-misskey-is-an-open-source-federated-social-media-platform-from","title":"Misskey fetch-rss API missing rate limits and response size restrictions","severity":"info","exploited":false,"published_at":"2026-10-13T19:17:55.697+00:00","url":"https://junglewise.ai/threats/cve-2026-104817-misskey-is-an-open-source-federated-social-media-platform-from"}],"generated_at":"2026-11-13T03:07:00.155039+00:00"}