Vulnerability Description
Misskey is an open source, federated social media platform. All Misskey servers running versions 2024.5.0 and later, but prior to 2026.5.4, contain a vulnerability in the Server Announcements API where insufficient permission checks allow attackers to access limited portions of data that they normally couldn't view. This vulnerability occurs whether or not federation is enabled. 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-j49q-76hx-mv8f
FAQ
What is CVE-2026-48115?
CVE-2026-48115 is a documented vulnerability. Misskey is an open source, federated social media platform. All Misskey servers running versions 2024.5.0 and later, but prior to 2026.5.4, contain a vulnerability in the Server Announcements API wher...
How severe is CVE-2026-48115?
CVSS scoring is not yet available for CVE-2026-48115. Check NVD for updates.
Is there a patch for CVE-2026-48115?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.