CVE WatchSep 29, 2026

CVE-2026-102242

Improper link resolution (CWE-59 / CWE-22) in the allowedLocalRoots path validation in Google MCP Toolbox for Databases versions 1.2.0 throu

CVSS

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No CVSS

EPSS

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KEV

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Exploit Today

0-100

Published: Sep 29, 2026 · Last modified: Sep 29, 2026 · CWE-22 · CWE-59

EPSS · 30d

Not enough EPSS history yet.

Technical description

Improper link resolution (CWE-59 / CWE-22) in the allowedLocalRoots path validation in Google MCP Toolbox for Databases versions 1.2.0 through 1.9.0 allows a remote authenticated attacker with tool execution permissions to bypass directory boundary restrictions via symbolic links. Because path validation checks directories lexically without resolving symbolic links first, an attacker can access or overwrite arbitrary local files located outside the permitted root directories.

Official references

github.comhttps://github.com/googleapis/mcp-toolbox/pull/3810

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