CVE-2026-7416Public exploitNetwork attack vector

Remote command execution via interpolated MCP arguments

Published Apr 29, 2026 · Updated Apr 29, 2026

OS command injection in PolarVista Xcode MCP Server 1.0.0 allows remote attackers to execute commands through exposed MCP tools. The build_project and run_tests handlers interpolate request-supplied project, scheme, configuration, and destination values into shell strings passed to child_process.exec. An attacker must be able to invoke either MCP tool; injected commands run with the server process's privileges and can read or alter accessible data or interrupt the host.

CVSS severity7.3
High
EPSS probability1.63%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

OS command injection in PolarVista Xcode MCP Server 1.0.0 allows remote attackers to execute commands through exposed MCP tools. The build_project and run_tests handlers interpolate request-supplied project, scheme, configuration, and destination values into shell strings passed to child_process.exec. An attacker must be able to invoke either MCP tool; injected commands run with the server process's privileges and can read or alter accessible data or interrupt the host.

The record

CVE
CVE-2026-7416
Published
Apr 29, 2026
Updated
Apr 29, 2026
Vendor
PolarVista
Product
Xcode MCP Server
Classifications
CWE-78, CWE-77, T1059.004
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 29, 2026CVE publishedPublication date reported by the CVE source.
  2. Apr 29, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=1.0.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

PolarVista · Xcode MCP Serverversion=1.0.0

Published CVSS scores

7.5VulDBAV:N/AC:L/Au:N/C:P/I:P/A:P
7.3VulDBCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
5.5VulDBCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CWE-77Improper Neutralization of Special Elements used in a Command ('Command Injection')
T1059.004Unix Shell

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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