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Medium severity6.5OSV Advisory· Published Dec 16, 2025· Updated Jun 17, 2026

CVE-2025-66402

CVE-2025-66402

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected packages

Versions sourced from the GitHub Security Advisory.

PackageAffected versionsPatched versions
misskey-jsnpm
>= 13.0.0-beta.16, < 2025.12.02025.12.0

Affected products

39
  • Misskey Dev/MisskeyOSV38 versions
    0.0.5018, 0.0.5023, 0.0.5030, …+ 37 more
    • (no CPE)range: 0.0.5018, 0.0.5023, 0.0.5030, …
    • cpe:2.3:a:misskey:misskey:*:*:*:*:*:*:*:*range: >=13.1.0,<2025.12.0
    • cpe:2.3:a:misskey:misskey:13.0.0:-:*:*:*:*:*:*
    • cpe:2.3:a:misskey:misskey:13.0.0:beta16:*:*:*:*:*:*
    • cpe:2.3:a:misskey:misskey:13.0.0:beta21:*:*:*:*:*:*
    • cpe:2.3:a:misskey:misskey:13.0.0:beta22:*:*:*:*:*:*
    • cpe:2.3:a:misskey:misskey:13.0.0:beta23:*:*:*:*:*:*
    • cpe:2.3:a:misskey:misskey:13.0.0:beta24:*:*:*:*:*:*
    • cpe:2.3:a:misskey:misskey:13.0.0:beta25:*:*:*:*:*:*
    • cpe:2.3:a:misskey:misskey:13.0.0:beta26:*:*:*:*:*:*
    • cpe:2.3:a:misskey:misskey:13.0.0:beta27:*:*:*:*:*:*
    • cpe:2.3:a:misskey:misskey:13.0.0:beta28:*:*:*:*:*:*
    • cpe:2.3:a:misskey:misskey:13.0.0:beta29:*:*:*:*:*:*
    • cpe:2.3:a:misskey:misskey:13.0.0:beta30:*:*:*:*:*:*
    • cpe:2.3:a:misskey:misskey:13.0.0:beta31:*:*:*:*:*:*
    • cpe:2.3:a:misskey:misskey:13.0.0:beta32:*:*:*:*:*:*
    • cpe:2.3:a:misskey:misskey:13.0.0:beta33:*:*:*:*:*:*
    • cpe:2.3:a:misskey:misskey:13.0.0:beta34:*:*:*:*:*:*
    • cpe:2.3:a:misskey:misskey:13.0.0:beta35:*:*:*:*:*:*
    • cpe:2.3:a:misskey:misskey:13.0.0:beta36:*:*:*:*:*:*
    • cpe:2.3:a:misskey:misskey:13.0.0:beta37:*:*:*:*:*:*
    • cpe:2.3:a:misskey:misskey:13.0.0:beta38:*:*:*:*:*:*
    • cpe:2.3:a:misskey:misskey:13.0.0:beta39:*:*:*:*:*:*
    • cpe:2.3:a:misskey:misskey:13.0.0:beta40:*:*:*:*:*:*
    • cpe:2.3:a:misskey:misskey:13.0.0:beta41:*:*:*:*:*:*
    • cpe:2.3:a:misskey:misskey:13.0.0:beta42:*:*:*:*:*:*
    • cpe:2.3:a:misskey:misskey:13.0.0:beta43:*:*:*:*:*:*
    • cpe:2.3:a:misskey:misskey:13.0.0:rc10:*:*:*:*:*:*
    • cpe:2.3:a:misskey:misskey:13.0.0:rc11:*:*:*:*:*:*
    • cpe:2.3:a:misskey:misskey:13.0.0:rc1:*:*:*:*:*:*
    • cpe:2.3:a:misskey:misskey:13.0.0:rc2:*:*:*:*:*:*
    • cpe:2.3:a:misskey:misskey:13.0.0:rc3:*:*:*:*:*:*
    • cpe:2.3:a:misskey:misskey:13.0.0:rc4:*:*:*:*:*:*
    • cpe:2.3:a:misskey:misskey:13.0.0:rc5:*:*:*:*:*:*
    • cpe:2.3:a:misskey:misskey:13.0.0:rc6:*:*:*:*:*:*
    • cpe:2.3:a:misskey:misskey:13.0.0:rc7:*:*:*:*:*:*
    • cpe:2.3:a:misskey:misskey:13.0.0:rc8:*:*:*:*:*:*
    • cpe:2.3:a:misskey:misskey:13.0.0:rc9:*:*:*:*:*:*
  • ghsa-coords
    pkg:npm/misskey-js
    Range: >= 13.0.0-beta.16, < 2025.12.0

Patches

Vulnerability mechanics

References

4

News mentions

0

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