CVE-2026-120323

samanhappy MCPHub passthroughHeaders.ts information disclosure

MEDIUM
4.3
CVSS Score
Published: November 2, 2026 at 02:00 AM UTC
Updated: November 2, 2026 at 03:17 PM UTC
1 product affected across 1 vendorMCPHub

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Severity
MEDIUM4.3
SSVC
PoC

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.

Affected

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.3MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-200CWE-284

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