CVE-2025-66402

6.5 MEDIUM
Published: December 16, 2025 Modified: January 06, 2026
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://github.com/misskey-dev/misskey/commit/dc77d59f8712d3fe0b73cd4af2035133839cd57b
Source: security-advisories@github.com
Patch
https://github.com/misskey-dev/misskey/security/advisories/GHSA-496g-mmpw-j9x3
Source: security-advisories@github.com
Exploit Vendor Advisory
https://github.com/misskey-dev/misskey/security/advisories/GHSA-496g-mmpw-j9x3
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Exploit Vendor Advisory

3 reference(s) from NVD

Quick Stats

CVSS v3 Score
6.5 / 10.0
EPSS (Exploit Probability)
0.0%
13th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-862

Affected Vendors

misskey

Related CVEs

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