CVE-2026-16498 (GCVE-0-2026-16498)

Vulnerability from cvelistv5 – Published: 2026-07-28 17:57 – Updated: 2026-07-28 18:39
VLAI
Title
terraform-mcp-server vulnerable to cross-tenant credential reuse in streamable-HTTP stateless mode
Summary
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.
Severity
10 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-28 18:38 UTC
CWE
  • CWE-488 - Exposure of Data Element to Wrong Session
Assigner
HashiCorp CNA under the mitre root
CNA scorecard C 70/100 over 49 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
HashiCorp Tooling Affected: 0.3.0 , < 1.1.0 (semver)
guessed Create a notification for this product.
Credits
This issue was identified by an internal team.
Show details on NVD website
To clipboard 

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