samanhappy MCPHub sseService.ts handleSseConnectionfunction improper authentication
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-287.
Summary
A vulnerability was identified in samanhappy MCPHub up to 0.9.10. This vulnerability affects the function handleSseConnectionfunction of the file src/services/sseService.ts. Such manipulation leads to improper authentication. The attack may be launched remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| samanhappy | MCPHub | 0.9.0; 0.9.1; 0.9.2; 0.9.3; 0.9.4; 0.9.5; 0.9.6; 0.9.7; 0.9.8; 0.9.9; 0.9.10 | — | No fix listed | CNA |
| — | @samanhappy/mcphub (npm) | up to 0.9.10 | — | No fix listed | GHSA-v7c4-33vf-cqqq |
- MCPHub Vendorsamanhappy Affected 0.9.0; 0.9.1; 0.9.2; 0.9.3; 0.9.4; 0.9.5; 0.9.6; 0.9.7; 0.9.8; 0.9.9; 0.9.10 Fixed in — No fix listed CNA
- @samanhappy/mcphub (npm) Vendor— Affected up to 0.9.10 Fixed in — No fix listed GHSA-v7c4-33vf-cqqq
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:mcphubx:mcphub:*:*:*:*:*:*:*:* | up to 0.9.10 | Vulnerable | samanhappy |
- cpe:2.3:a:mcphubx:mcphub:*:*:*:*:*:*:*:* Versions up to 0.9.10 Vulnerable ·samanhappy
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-11287
- 2026-10-03 Alias added: GHSA-v7c4-33vf-cqqq
References
More samanhappy Mcphub vulnerabilities
- TI-2025-10333 samanhappy MCPHub serverController.ts os command injection CVSS 4.0MEDIUM 5.3
- TI-2025-10334 samanhappy MCPHub MCPRouter Service serverController.ts server-side request forgery CVSS 4.0MEDIUM 5.1
- TI-2025-12636 Authentication bypass in MCPHub CVSS 4.0MEDIUM 5.3
Sources
- CVE-2025-11287 · CVE Program
- CVE-2025-11287 · NVD
- FIRST EPSS
- GHSA-v7c4-33vf-cqqq · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences