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CVE-2026-120323
Published:November 02, 2026
Updated:November 04, 2026
A security flaw has been discovered in samanhappy MCPHub up to 1.0.45/1.1.7. Impacted is an unknown function of the file src/utils/passthroughHeaders.ts. The manipulation of the argument passthroughHeaders results in information disclosure. The attack may be launched remotely. Upgrading to version 1.1.8 is recommended to address this issue. The patch is identified as 040f7b9ae004070bdfe5084cde6bc2c609f78e76. It is advisable to upgrade the affected component.
Affected Packages
https://github.com/samanhappy/mcphub.git (GITHUB):
Affected version(s) >=v0.9.10 <v1.1.8 || >=v1.0.0 <v1.1.8
Fix Suggestion:
Update to version v1.1.8
@samanhappy/mcphub (NPM):
Affected version(s) >=1.0.0 <1.1.8 || >=0.9.10 <1.1.8
Fix Suggestion:
Update to version 1.1.8
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CVSS v4
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
Exploit Maturity
NOT DEFINED
CVSS v3
Base Score:
4.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Exploit Maturity
NOT DEFINED
Weakness Type (CWE)
Improper Access Control
Exposure of Sensitive Information to an Unauthorized Actor
EPSS
Base Score:
0.37