Medium severity4.3NVD Advisory· Published Nov 2, 2026· Updated Nov 2, 2026
CVE-2026-120323
CVE-2026-120323
Description
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.
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Affected products
1- Range: up to 1.0.45/1.1.7
Patches
Vulnerability mechanics
References
7- github.com/0xGenesi/CVE/blob/main/MCPHub_OpenAPI_passthroughHeaders_Credential_Exfiltration.mdnvd
- github.com/samanhappy/mcphub/commit/040f7b9ae004070bdfe5084cde6bc2c609f78e76nvd
- github.com/samanhappy/mcphub/releases/tag/v1.1.8nvd
- vuldb.com/cve/CVE-2026-120323nvd
- vuldb.com/submit/1015029nvd
- vuldb.com/vuln/429655nvd
- vuldb.com/vuln/429655/ctinvd
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