CVE-2026-16496

HighCVSS 8.9/10Last modified Oct 23, 2026

Description

The terraform-mcp-server before version 1.1.0 is vulnerable to an authorization bypass in the streamable-HTTP stateful transport mode that may allow a user who obtains another user's MCP session ID to have their tool calls executed using that user's Terraform credentials. This vulnerability, CVE-2026-16496, is fixed in terraform-mcp-server 1.1.0.

Metrics

CVSS 3.1 8.9/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:L

Weakness enumeration

CWE-384

Affected software

No affected versions have been published.

Timeline

Published: Jul 28, 2026
Last modified: Oct 23, 2026
NVD status: Deferred

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