CVE-2026-28433 — Misskey lacks resource ownership validation

CVE-2026-28433

Misskey lacks resource ownership validation PUBLISHED

Description (CNA)

Misskey is an open source, federated social media platform. All Misskey servers running versions 10.93.0 and later, but prior to 2026.3.1, contain a vulnerability that allows importing other users' data due to lack of ownership validation. The impact of this vulnerability is estimated to be relatively low, as bad actors would require the ID corresponding to the target file for import. This vulnerability is fixed in 2026.3.1.

Affected (CNA)

Vendor / product	Versions
misskey-dev / misskey	affected >= 10.93.0, < 2026.3.1

CWE

CWE-639, CWE-862

References

https://github.com/misskey-dev/misskey/security/advisories/GHSA-g6hj-33h7-6fq8

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.