PT-2026-65551 · Hashicorp · Tooling

CVE-2026-16498 · Published 2026-07-28 · Updated 2026-07-28

NVD

CVSS v3.1

10

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L

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.

Fix

Weakness Enumeration

CWE-488

Related Identifiers

CVE-2026-16498

Affected Products

Tooling

References · 2

• https://nvd.nist.gov/vuln/detail/CVE-2026-16498 · Security Note
• https://discuss.hashicorp.com/t/hcsec-2026-23-multiple-vulnerabilities-impacting-hashicorp-terraform-mcp-server/77606 · Note