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.
CVE-2026-26029
This high-severity CVE scores 7.5 under NVD CVSS v3. EPSS exploit probability: 0.0%, top 92% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.5
- EG Score
- 7.5(medium)
- EPSS
- 55.9%
- KEV
- Not listed
Published
February 11, 2026
Last Modified
April 15, 2026
References (3)
- security-advisories@githubhttps://github.com/akutishevsky/sf-mcp-server/commit/99fba0171b8c22b5ee3c0405053ccfd2910a066d
- security-advisories@githubhttps://github.com/akutishevsky/sf-mcp-server/security/advisories/GHSA-h4w9-g9c5-vfwq
- 134c704f-9b21-4f2e-91b3-4a467353bcc0https://github.com/akutishevsky/sf-mcp-server/security/advisories/GHSA-h4w9-g9c5-vfwq
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 11× in last 7d / 50× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
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Related CVEs(same CWE)
Same CWE
10 shownCWE-78
Frequently asked(5)
What is CVE-2026-26029?
When was CVE-2026-26029 disclosed?
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What is the CVSS score of CVE-2026-26029?
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Dependency Blast Radius
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