CVE
CVE-2026-16498
terraform-mcp-server vulnerable to cross-tenant credential reuse in streamable-HTTP stateless mode
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.
Package Versions Affected
Package Version
patch Availability
No items found.
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CVSS Version
Severity
Base Score
CVSS Version
Score Vector
C
H
U
10
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L
C
H
U
0
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L
C
H
U
-
Related Resources
No items found.
References
https://discuss.hashicorp.com/t/hcsec-2026-23-multiple-vulnerabilities-impacting-hashicorp-terraform-mcp-server/77606, https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/16xxx/CVE-2026-16498.json, https://nvd.nist.gov/vuln/detail/CVE-2026-16498, https://github.com/hashicorp/terraform-mcp-server