How severe is CVE-2026-26029?

CVE-2026-26029 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-26029 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-26029?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-26029 have an EU (EUVD) identifier?

Yes. CVE-2026-26029 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-7019.

When was CVE-2026-26029 published?

CVE-2026-26029 was published on 2026-02-11 and last updated on 2026-06-17.

CVE-2026-26029

CVE-2026-26029 is a high-severity vulnerability with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (56th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-7019
Weakness: CWE-78
Published: 2026-02-11
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2026-26029?: 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.
How severe is CVE-2026-26029?: CVE-2026-26029 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-26029 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-26029?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-26029 have an EU (EUVD) identifier?: Yes. CVE-2026-26029 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-7019.
When was CVE-2026-26029 published?: CVE-2026-26029 was published on 2026-02-11 and last updated on 2026-06-17.

References

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