What is CVE-2023-52139?

CVE-2023-52139 is a critical-severity vulnerability in Misskey, classified under Improper Authorization. CVSS score: 9.0/10. Published 2023-12-29.

How severe is CVE-2023-52139?

Critical severity. CVSS v3 base score is 9.0 out of 10.

Auth bypass in Misskey

CVE-2023-52139

Misskey is an open source, decentralized social media platform. Third-party applications may be able to access some endpoints or Websocket APIs that are incorrectly specified as [kind](https://github.com/misskey-dev/misskey/blob/406b4bdbe7…

EPSS: 0.005 (42.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H.

Affected products

Misskey
Misskey-dev Misskey — versions < 2023.12.1

Weakness classification (CWE)

CWE-285 — Improper Authorization

References

security-advisories@github.com (x_refsource_CONFIRM, Third Party Advisory)
security-advisories@github.com (Patch, x_refsource_MISC)

Frequently asked questions

What is CVE-2023-52139?: CVE-2023-52139 is a critical-severity vulnerability in Misskey, classified under Improper Authorization. CVSS score: 9.0/10. Published 2023-12-29.
How severe is CVE-2023-52139?: Critical severity. CVSS v3 base score is 9.0 out of 10.