CVE-2026-16498
terraform-mcp-server vulnerable to cross-tenant credential reuse in streamable-HTTP stateless mode
- State
- Published
- Severity
- 10.0 Critical
- Published
- Jul 28, 2026
- Updated
- Jul 28, 2026
- Reserved
- Jul 21, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 10.0 Critical | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L | HashiCorp |
Weaknesses
- CWE-488 Exposure of Data Element to Wrong Session
Affected Products
| Product | Versions |
|---|---|
ToolingHashiCorp |
|
References
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