8.9
High
CVE-2026-16496 The terraform-mcp-server before version 1.1.0 is vulnerable to an authorization bypass in the streamable-HTTP stateful…
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.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Tooling 0.3 | 0.3.0 → < 1.1.0 | 1.1.0 |
References
- discuss.hashicorp.com discuss.hashicorp.com
Timeline
- Published
- Last modified
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