{"id":"EUVD-2025-203442","enisaUuid":"0bb30d04-8c49-3beb-9889-ce5b4465aebe","description":"Misskey is an open source, federated social media platform. Starting in version 13.0.0-beta.16 and prior to version 2025.12.0, an actor who does not have permission to view favorites or clips can can export the posts and view the contents. Version 2025.12.0 fixes the issue.","datePublished":"Dec 15, 2025, 11:09:57 PM","dateUpdated":"Dec 16, 2025, 3:09:28 PM","baseScore":7.1,"baseScoreVersion":"4.0","baseScoreVector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","references":"https://github.com/misskey-dev/misskey/security/advisories/GHSA-496g-mmpw-j9x3\nhttps://github.com/misskey-dev/misskey/commit/dc77d59f8712d3fe0b73cd4af2035133839cd57b\n","aliases":"CVE-2025-66402\nGHSA-496g-mmpw-j9x3\n","assigner":"GitHub_M","epss":0.31,"enisaIdProduct":[{"id":"d65c8d0b-650d-341f-ae4a-6f1b1e939f79","product":{"name":"misskey","vendor":{"name":"misskey-dev"}},"product_version":"13.0.0-beta.16, \u003c 2025.12.0"}],"enisaIdVendor":[{"id":"033cae96-5c8e-3c33-b46b-de59ce84e845","vendor":{"name":"misskey-dev"}}],"enisaIdVulnerability":[{"id":"28072fbc-dae1-3160-bffb-8b68cb22e3bb","vulnerability":{"id":"CVE-2025-66402","description":"Misskey is an open source, federated social media platform. Starting in version 13.0.0-beta.16 and prior to version 2025.12.0, an actor who does not have permission to view favorites or clips can can export the posts and view the contents. Version 2025.12.0 fixes the issue.","datePublished":"Dec 15, 2025, 11:09:57 PM","dateUpdated":"Dec 16, 2025, 3:09:28 PM","status":"PUBLISHED","baseScore":7.1,"baseScoreVersion":"4.0","baseScoreVector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","references":"https://github.com/misskey-dev/misskey/security/advisories/GHSA-496g-mmpw-j9x3\nhttps://github.com/misskey-dev/misskey/commit/dc77d59f8712d3fe0b73cd4af2035133839cd57b\n","enisa_id":"EUVD-2025-203442\n","assigner":"GitHub_M","epss":0.31,"dataProcessed":"Oct 27, 2026, 7:20:58 AM","vulnerabilityProduct":[{"id":"68681c8a-e912-3cfc-9e4e-20da7e1afb55","product":{"name":"misskey","vendor":{"name":"misskey-dev"}},"product_version":"13.0.0-beta.16, \u003c 2025.12.0"}],"vulnerabilityVendor":[{"id":"cafc3e19-41f6-3f69-82d7-700f0f15ad9c","vendor":{"name":"misskey-dev"}}]}},{"id":"6418fddb-017f-3043-b05d-4554c8c10e29","vulnerability":{"id":"GHSA-496g-mmpw-j9x3","description":"misskey.js\u0027s export data contains private post data","datePublished":"Dec 15, 2025, 8:55:27 PM","dateUpdated":"Jan 6, 2026, 10:41:20 PM","baseScore":0.0,"references":"https://github.com/misskey-dev/misskey/security/advisories/GHSA-496g-mmpw-j9x3\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-66402\nhttps://github.com/misskey-dev/misskey/commit/dc77d59f8712d3fe0b73cd4af2035133839cd57b\nhttps://github.com/misskey-dev/misskey\n","enisa_id":"EUVD-2025-203442\n","aliases":"CVE-2025-66402\nGHSA-496g-mmpw-j9x3\n","epss":0.0,"dataProcessed":"Oct 25, 2026, 1:52:34 AM","vulnerabilityProduct":[],"vulnerabilityVendor":[]}}],"enisaIdAdvisory":[]}