MCP-Salesforce's arbitrary attribute access leads to disclosure of Salesforce auth token

HIGH 7.5CVE-2026-25650 · GHSA-vf6j-c56p-cq58 · PYSEC-2026-2629 · Published 06/02/2026 · updated 17/06/2026

In short

CVE-2026-25650 is a HIGH (CVSS 7.5) vulnerability affecting mcp-salesforce-connector, mcp salesforce connector (smn2gnt).
Chance of exploitation in the next 30 days (EPSS): 0.46%, higher than 40.0% of all vulnerabilities.
Fix: update to 0.1.10 or later.

Package	Affected versions	Patched versions
mcp-salesforce-connector PyPI	`< 0.1.10`	`0.1.10`
mcp salesforce connector smn2gnt	`< 0.1.10`	`0.1.10`

Description

Impact

Disclosure of Salesforce OAuth bearer tokens used by the MCP.

Patches

fix applied in 0.1.10

Workarounds

Rotate any Salesforce tokens/credentials used by MCP-Salesforce.

NVD description

MCP Salesforce Connector is a Model Context Protocol (MCP) server implementation for Salesforce integration. Prior to 0.1.10, arbitrary attribute access leads to disclosure of Salesforce auth token. This vulnerability is fixed in 0.1.10.

References

smn2gnt/MCP-Salesforce security advisory · WEB
nvd.nist.gov/vuln/detail/CVE-2026-25650 · ADVISORY
smn2gnt/MCP-Salesforce commit a1e3a5a · WEB
smn2gnt/MCP-Salesforce · PACKAGE
smn2gnt/MCP-Salesforce release v0.1.10 · WEB
pypi.org/project/mcp-salesforce-connector · PACKAGE
GitHub Advisory GHSA-vf6j-c56p-cq58 · ADVISORY

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