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Critical · 10.0 CVE-2026-16326 EUVD-2026-50469GHSA-6c5r-pj95-xvqv

consul-mcp-server vulnerable to cross-tenant credential reuse in streamable-HTTP stateless mode

Published Jul 29, 2026 · Updated Jul 29, 2026 · Assigned by HashiCorp

Description

In consul-mcp-server, versions 0.1.0 up to 0.1.3 did not properly isolate session state in stateless mode, which may allow one client's Consul authentication token to be used for subsequent requests from other clients. This vulnerability (CVE-2026-16326) is fixed in consul-mcp-server 0.1.4.

Affected products

VendorProductAffectedFixed
HashiCorp Tooling 0.1.0 – < 0.1.4 0.1.4

References