samanhappy MCPHub up to 1.0.45/1.1.7 passthroughHeaders.ts passthroughHeaders information disclosure

Summaryinfo

A vulnerability identified as problematic has been detected in samanhappy MCPHub up to 1.0.45/1.1.7. The affected element is an unknown function of the file src/utils/passthroughHeaders.ts. This manipulation of the argument passthroughHeaders causes information disclosure. This vulnerability is registered as CVE-2026-120323. Remote exploitation of the attack is possible. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in samanhappy MCPHub up to 1.0.45/1.1.7 and classified as problematic. Affected by this vulnerability is some unknown functionality of the file src/utils/passthroughHeaders.ts. The manipulation of the argument passthroughHeaders with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality.

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2026-120323. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

Upgrading to version 1.1.8 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch 040f7b9ae004070bdfe5084cde6bc2c609f78e76 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

• samanhappy

Name

• MCPHub

Version

• 1.0.0
• 1.0.1
• 1.0.2
• 1.0.3
• 1.0.4
• 1.0.5
• 1.0.6
• 1.0.7
• 1.0.8
• 1.0.9
• 1.0.10
• 1.0.11
• 1.0.12
• 1.0.13
• 1.0.14
• 1.0.15
• 1.0.16
• 1.0.17
• 1.0.18
• 1.0.19
• 1.0.20
• 1.0.21
• 1.0.22
• 1.0.23
• 1.0.24
• 1.0.25
• 1.0.26
• 1.0.27
• 1.0.28
• 1.0.29
• 1.0.30
• 1.0.31
• 1.0.32
• 1.0.33
• 1.0.34
• 1.0.35
• 1.0.36
• 1.0.37
• 1.0.38
• 1.0.39
• 1.0.40
• 1.0.41
• 1.0.42
• 1.0.43
• 1.0.44
• 1.0.45
• 1.1.0
• 1.1.1
• 1.1.2
• 1.1.3
• 1.1.4
• 1.1.5
• 1.1.6
• 1.1.7

License

• open-source

Website

• Product: https://github.com/samanhappy/mcphub/

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Submitinfo

Accepted

• Submit #1015029: samanhappy MCPHub v1.0.45 information disclosure / credential theft (by chenhuanlin)

Be aware that VulDB is the high quality source for vulnerability data.

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