CVE-2026-14869
Received Received - Intake

Server-Side Request Forgery in Terraform MCP Server

Publication date: 2026-07-28

Last updated on: 2026-07-28

Assigner: HashiCorp Inc.

Description
The terraform-mcp-server before version 1.1.0 is vulnerable to a server-side request forgery issue in the streamable-HTTP transport that may allow an unauthenticated remote client to redirect the server's Terraform API requests, and the server-side authorization token, to an attacker-controlled endpoint. This vulnerability, CVE-2026-14869, is fixed in terraform-mcp-server 1.1.0.

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Meta Information

Published
2026-07-28
Last Modified
2026-07-28
Generated
2026-07-29
AI Q&A
2026-07-28
EPSS Evaluated
N/A
NVD
CVE-2026-14869
EUVD
EUVD-2026-49934

Affected Vendors & Products

Showing 3 associated CPEs
Vendor Product Version / Range
hashicorp terraform_mcp_server to 1.1.0 (exc)
hashicorp terraform-mcp-server to 1.1.0 (exc)
hashicorp terraform_mcp_server From 0.2.1 (inc) to 1.0.0 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-918 The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.

Attack-Flow Graph

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Executive Summary

The terraform-mcp-server before version 1.1.0 has a server-side request forgery (SSRF) vulnerability in its streamable-HTTP transport. An unauthenticated remote client can trick the server into sending Terraform API requests and its authorization token to an attacker-controlled endpoint.

Detection Guidance

This vulnerability involves server-side request forgery in the terraform-mcp-server's streamable-HTTP transport. Detection requires checking the server version and monitoring network traffic for unauthorized redirections. Ensure terraform-mcp-server is updated to version 1.1.0 or later to mitigate the issue.

Impact Analysis

An attacker could exploit this to redirect sensitive server requests and tokens to malicious servers, potentially leading to unauthorized access, data exfiltration, or further attacks on connected systems.

Compliance Impact

This vulnerability could lead to unauthorized data access or exfiltration, violating GDPR's data protection principles or HIPAA's security requirements for protected health information.

Mitigation Strategies

Update terraform-mcp-server to version 1.1.0 or later to address the server-side request forgery issue in the streamable-HTTP transport.

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