HashiCorpCVE-2026-16498
The terraform-mcp-server before version 1.1.0 is vulnerable to a cross-tenant...
Fix: upgrade to 1.1.0 or later
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 versions
| Package | Affected | Fixed in |
|---|---|---|
| Tooling Product | >= 0.3.0, < 1.1.0 | 1.1.0 |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-488