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EXPOSURES › CVE-2026-14537

CVE-2026-14537

CRITICAL
DETAIL
SourceNVD · cve Published2026-07-31 CVSS9.8 Referencehttps://nvd.nist.gov/vuln/detail/CVE-2026-14537 ↗

▸ RECOMMENDED ACTION  Critical severity — schedule patching of the affected products.

DESCRIPTION

Incorrect Authorization in the direct HTTP API tool invocation endpoint in Google mcp-toolbox versions v1.3.0 and v1.4.0 allows an unauthenticated attacker to invoke tools protected by the scopeRequired feature via sending tool invocation requests through legacy HTTP endpoints when the --enable-api flag is active.

AFFECTED FEDRAMP PRODUCTS · 2
PRODUCTSTATUS
Google Services (Google Cloud Platform Products and underlying Infrastructure)
Google
Authorized
Google Workspace
Google
Authorized