What is CVE-2025-13822?

CVE-2025-13822 is a medium-severity vulnerability in Mcphub, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 5.3/10. Published 2026-04-14.

How severe is CVE-2025-13822?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Auth bypass in Mcphub

CVE-2025-13822

MCPHub in versions below 0.11.0 is vulnerable to authentication bypass. Some endpoints are not protected by authentication middleware, allowing an unauthenticated attacker to perform actions in the name of other users and using their privileges.

Vulnerability class: IDOR (Insecure Direct Object Reference)

Published 2026-04-14 · last modified 2026-09-03.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.004 (26.5th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 27th percentile — 26.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Mcphub — versions 0
Mcphubx Mcphub

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

github.com/samanhappy/mcphub (Product, product)
cert.pl/en/posts/2026/04/CVE-2025-13822 (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2025-13822?: CVE-2025-13822 is a medium-severity vulnerability in Mcphub, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 5.3/10. Published 2026-04-14.
How severe is CVE-2025-13822?: Medium severity. CVSS v3 base score is 5.3 out of 10.