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misskey.js's export data contains private post data

🗓️ 15 Dec 2025 20:55:27Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 24 Views

Misskey.js export data can expose private posts when added to favorites or clips and exported.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2025-66402
13 Dec 202510:32
–circl
cnnvd
CNNVD
Misskey security vulnerabilities
16 Dec 202500:00
–cnnvd
cve
CVE
CVE-2025-66402
15 Dec 202523:09
–cve
cvelist
Cvelist
CVE-2025-66402 misskey.js's export data contains private post data
15 Dec 202523:09
–cvelist
euvd
EUVD
EUVD-2025-203442
15 Dec 202523:09
–euvd
mend
Mend
CVE-2025-66402
15 Dec 202523:09
–mend
nvd
NVD
CVE-2025-66402
16 Dec 202500:16
–nvd
osv_ghsa
osv_ghsa
GHSA-496G-MMPW-J9X3 misskey.js's export data contains private post data
15 Dec 202520:55
–osv_ghsa
ptsecurity
Positive Technologies
PT-2025-51322
15 Dec 202500:00
–ptsecurity
ptsecurity
Positive Technologies
PT-2025-54684
15 Dec 202500:00
–ptsecurity
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Vulners
Node
misskey-jsRange13.0.0-beta.16–2025.12.0npm

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06 Jan 2026 22:41Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.16.5
CVSS 47.1
EPSS0.00314
SSVC
24