CVE-2026-16498

critical · 10

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.

CVSS

0.5%

EPSS (exploit prob.)

39th

EPSS percentile

2026-07-28

Published

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

Weaknesses

CWE-488

References

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

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-16498