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

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-02-11 · updated 2026-06-17
Weakness: CWE-78

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.

Affected products

akutishevsky sf-mcp-server: before 1.0.3

References

https://github.com/akutishevsky/sf-mcp-server/commit/99fba0171b8c22b5ee3c0405053ccfd2910a066d
https://github.com/akutishevsky/sf-mcp-server/security/advisories/GHSA-h4w9-g9c5-vfwq
https://github.com/akutishevsky/sf-mcp-server/security/advisories/GHSA-h4w9-g9c5-vfwq

Get alerted when CVE-2026-26029 or the next vulnerability affects your stack