Description
The terraform-mcp-server before version 1.1.0 is vulnerable to a cross-tenant credential reuse issue in the streamable-HTTP stateless transport mode that may allow one user's Terraform token to be used to execute tool calls on behalf of subsequent users. This vulnerability, CVE-2026-16498, is fixed in terraform-mcp-server 1.1.0.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| HashiCorp | Tooling | 0.3.0 – < 1.1.0 | 1.1.0 |
Advisories 1
- WID-SEC-2026-2572 Hashicorp Terraform MCP Server: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jul 28, 2026