CVE-2026-46713
9.2
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:N/SC:N/SI:H/SA:N
Summary
Misskey is an open source, federated social media platform. Versions 12.37.0 and later, but prior to 2026.5.4, contain a vulnerability in the JSON-LD signature validation and compaction process that allows spoofed activities to be accepted as valid. This issue has been fixed in version 2026.5.4.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| misskey-dev | misskey | >= 12.37.0, < 2026.5.4 | affected |
Weaknesses
- CWE-347: CWE-347: Improper Verification of Cryptographic Signature
References
- https://github.com/misskey-dev/misskey/security/advisories/GHSA-w8x2-gpq6-jxvf
- https://github.com/misskey-dev/misskey/releases/tag/2026.5.4
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