Vulnerability · Published Apr 14, 2026 · Assigned by CERT-PL
CVE-2025-13822Authentication bypass in MCPHub
Medium 5.3
In plain English
A medium-severity authorization bypass via user-controlled key in MCPHub from MCPHub. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 29% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 4.0)5.3Medium
Exploit odds (30 days)0.4%top 70.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| npm | @samanhappy/mcphub | 0.11.0 | GHSA-9vq7-9h42-j88h |
Affected products (as reported)
Weakness: CWE-639 · Vector: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
References
- https://github.com/samanhappy/mcphub product
- https://cert.pl/en/posts/2026/04/CVE-2025-13822 third-party-advisory