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.
Advisories
No advisories yet.
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Tue, 28 Jul 2026 20:30:00 +0000
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ssvc
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Tue, 28 Jul 2026 19:45:00 +0000
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Hashicorp
Hashicorp tooling |
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| Vendors & Products |
Hashicorp
Hashicorp tooling |
Tue, 28 Jul 2026 18:30:00 +0000
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| Description | 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. | |
| Title | terraform-mcp-server vulnerable to cross-user credential inheritance if an MCP session ID is obtained by another user | |
| Weaknesses | CWE-384 | |
| References |
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| Metrics |
cvssV3_1
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Projects
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Status: PUBLISHED
Assigner: HashiCorp
Published:
Updated: 2026-07-28T18:43:58.385Z
Reserved: 2026-07-21T16:53:07.388Z
Link: CVE-2026-16496
Updated: 2026-07-28T18:42:50.919Z
No data.
No data.
OpenCVE Enrichment
Updated: 2026-07-28T19:30:16Z
Weaknesses