CVE-2026-120323
MEDIUM
NVD
CVSS Score
4.3
Severity
MEDIUM
Published
Nov 02, 2026
Vendor
unknown
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.
References
- https://github.com/0xGenesi/CVE/blob/main/MCPHub_OpenAPI_passthroughHeaders_Credential_Exfiltration.md
- https://github.com/samanhappy/mcphub/
- https://github.com/samanhappy/mcphub/commit/040f7b9ae004070bdfe5084cde6bc2c609f78e76
- https://github.com/samanhappy/mcphub/releases/tag/v1.1.8
- https://vuldb.com/cve/CVE-2026-120323