Vulnerability Description
Misskey is an open source, federated social media platform. Versions 2025.3.2 and later, but prior to 2026.5.4, contain a vulnerability where a lack of proper permission checks allows access to certain data points from the Direct Messages (formerly Chat) feature, regardless of account permissions. This vulnerability occurs whether or not federation is enabled. Notes created with "specified" visibility (formerly "direct" visibility) are not affected. This issue has been fixed in version 2026.5.4.
Related Weaknesses (CWE)
References
- https://github.com/misskey-dev/misskey/releases/tag/2026.5.4
- https://github.com/misskey-dev/misskey/security/advisories/GHSA-2m3r-xx7x-63j6
FAQ
What is CVE-2026-46712?
CVE-2026-46712 is a documented vulnerability. Misskey is an open source, federated social media platform. Versions 2025.3.2 and later, but prior to 2026.5.4, contain a vulnerability where a lack of proper permission checks allows access to certai...
How severe is CVE-2026-46712?
CVSS scoring is not yet available for CVE-2026-46712. Check NVD for updates.
Is there a patch for CVE-2026-46712?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.