CVE-2026-16496

Summary

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 Software

VendorProductVersion RangeStatus
HashiCorpTooling0.3.0 < 1.1.0affected

Weaknesses

  • CWE-384: CWE-384: Session Fixation

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: total

References