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Vulnerabilities

CVE-2026-23744

Review this vulnerability's source-backed evidence, with unavailable values and read failures kept distinct.

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Full record read. Reported values and explicit gaps below come from the tracked record. Tracker data as of: .

Detection and validation

Mapped metadata availability only. These signals do not change priority.

  • Sigma

    Not mapped by tracked sources.

  • Atomic

    Not mapped by tracked sources.

  • Nuclei

    MCPJam Inspector - Remote Code Execution. Check identifier: CVE-2026-23744.

    Open Nuclei metadata

  • Metasploit

    exploit/multi/http/mcpjam_inspector_rce. Rank: Excellent.

    Open Metasploit metadata

What it is

Reported

MCPJam inspector is the local-first development platform for MCP servers. Versions 1.4.2 and earlier are vulnerable to remote code execution (RCE) vulnerability, which allows an attacker to send a crafted HTTP request that triggers the installation of an MCP server, leading to RCE. Since MCPJam inspector by default listens on 0.0.0.0 instead of 127.0.0.1, an attacker can trigger the RCE remotely via a simple HTTP request. Version 1.4.3 contains a patch.

Source reported · Source: NVD · Source last published: · Source description excerpt; complete tracked detail loads below. · Source last updated: · Tracker data as of:

What is affected

Reported

MCPJam; MCPJam Inspector. Product-level identification only; no affected-version conclusion is available from this field.

Source reported · Source: NVD · Source last published: · Source last updated: · Tracker data as of:

Urgency and basis

Reported

Act · 459.7

Tracker computed · Tracker decision tier from the evidence detailed below · Source last updated: · Tracker data as of:

Exploitation evidence

Reported

listed by a tracked exploitation catalog · VulnCheck KEV

Source reported · VulnCheck KEV added: · Source last updated: · Tracker data as of:

What to do

Reported

Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Source remediation ↗

Source reported · Tracked source remediation field · Source last updated: · Tracker data as of:

Evidence detail

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Glossary

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