MCP-Salesforce's arbitrary attribute access leads to disclosure of Salesforce auth token
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.
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Python (PyPI) | mcp-salesforce-connector | < 0.1.10 | 0.1.10 |
References
- https://github.com/smn2gnt/MCP-Salesforce/security/advisories/GHSA-vf6j-c56p-cq58
- https://nvd.nist.gov/vuln/detail/CVE-2026-25650
- https://github.com/smn2gnt/MCP-Salesforce/commit/a1e3a5a786f48508d066b6d40b58201ebf9b7fd6
- https://github.com/smn2gnt/MCP-Salesforce
- https://github.com/smn2gnt/MCP-Salesforce/releases/tag/v0.1.10
- https://pypi.org/project/mcp-salesforce-connector
- https://github.com/advisories/GHSA-vf6j-c56p-cq58
- CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N- Weakness (CWE)
CWE-200- Platform
- Python (PyPI)
- Package
mcp-salesforce-connector- Disclosed
- 06.02.2026
- Updated
- 11.10.2026 14:18
Sources and licenses
OSV / GitHub Advisory Database - PYSEC-2026-2629 - PyPA Advisory Database; CC BY 4.0
OSV / GitHub Advisory Database - GHSA-vf6j-c56p-cq58 - CC BY 4.0
Vulnerability history: mcp-salesforce-connector
All published vulnerabilities of this package (Python (PyPI)), newest first. Shows whether this is a one-off slip or a package that needs watching.
This is the only known vulnerability of this package.
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