Critical severity · published Oct 5, 2025
CVE-2025-11287
samanhappy MCPHub sseService.ts handleSseConnectionfunction improper authentication
9.8
CVSS
0.6%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 47% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MC
MCPHub · samanhappy
0.9.0; 0.9.1; 0.9.2; 0.9.3; 0.9.4; 0.9.5; +5 more · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-11287
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-11287
Exploit
https://github.com/August829/YU1/issues/8
Permissions Required
https://vuldb.com/?ctiid.327045
Third Party Advisory
https://vuldb.com/?id.327045
Third Party Advisory
https://vuldb.com/?submit.661170
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