CVE-2025-66402 | THREATINT

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.

PUBLISHED Reserved 2025-11-28 | Published 2025-12-15 | Updated 2025-12-16 | Assigner GitHub_M

HIGH: 7.1CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Problem types

CWE-862: Missing Authorization

Product status

>= 13.0.0-beta.16, < 2025.12.0

affected

References

github.com/...isskey/security/advisories/GHSA-496g-mmpw-j9x3 exploit

github.com/...isskey/security/advisories/GHSA-496g-mmpw-j9x3

github.com/...ommit/dc77d59f8712d3fe0b73cd4af2035133839cd57b

cve.org (CVE-2025-66402)

nvd.nist.gov (CVE-2025-66402)

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