CVE-2025-11287 samanhappy MCPHub sseService.ts handleSseConnectionfunction improper authentication
Remote attackers can bypass authentication in MCPHub's SSE connection handler, potentially gaining unauthorized access to the service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-11287?
CVE-2025-11287 is a medium-severity authentication bypass vulnerability in samanhappy MCPHub, published on 5 Oct 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-287
Which versions are affected by CVE-2025-11287?
2 open source packages ship an affected version, including @samanhappy/mcphub. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
@samanhappy/mcphub npm | All versions to 0.9.10 | None |
@samanhappy/mcphub npm | All versions to 0.9.10 | None |
Products include Mcphubx Mcphub.
How do I fix CVE-2025-11287?
No fix has been published for CVE-2025-11287 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2025-11287 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-11287 exists.
Other vulnerabilities in samanhappy MCPHub
Sources
Also known as GHSA-v7c4-33vf-cqqq.