CVE-2026-26029 sf-mcp-server has a Command Injection in query_records tool due to unsafe use of child_process.exec

High 7.5 Published Updated

Attackers can execute arbitrary shell commands via the query_records tool in the Salesforce MCP server due to unsafe command construction.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2026-26029?

CVE-2026-26029 is a high-severity command injection vulnerability in akutishevsky sf-mcp-server, published on 11 Feb 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

sf-mcp-server is an implementation of Salesforce MCP server for Claude for Desktop. A command injection vulnerability exists in sf-mcp-server due to unsafe use of child_process.exec when constructing Salesforce CLI commands with user-controlled input. Successful exploitation allows attackers to execute arbitrary shell commands with the privileges of the MCP server process.

Weakness: CWE-78

Which versions are affected by CVE-2026-26029?

How do I fix CVE-2026-26029?

No fix has been published for CVE-2026-26029 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2026-26029 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-26029 exists.

Sources

Also known as GHSA-h4w9-g9c5-vfwq.

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