CVE-2026-14869

HIGH

terraform-mcp-server vulnerable to server side request forgery leading to token exposure

Title source: cna

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.

References (1)

Core 1

Core References

https://discuss.hashicorp.com/t/hcsec-2026-23-multiple-vulnerabilities-impacting-hashicorp-terraform-mcp-server/77606

Scores

CVSS v3 8.6

EPSS 0.0029

EPSS Percentile 21.5%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact partial

Details

CWE

CWE-918

Status published

Products (1)

HashiCorp/Tooling 0.3.0 - 1.1.0

Published Jul 28, 2026

Tracked Since Jul 29, 2026