Vulnerability-Lookup

Vulnerability from bitnami_vulndb

Published

2026-08-17 05:38

Modified

2026-08-17 06:10

Summary

terraform-mcp-server vulnerable to cross-tenant credential reuse in streamable-HTTP stateless mode

Details

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.

JSON

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{
  "affected": [
    {
      "package": {
        "ecosystem": "Bitnami",
        "name": "consul",
        "purl": "pkg:bitnami/consul"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0.3.0"
            },
            {
              "fixed": "1.1.0"
            }
          ],
          "type": "SEMVER"
        }
      ],
      "severity": [
        {
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L",
          "type": "CVSS_V3"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-16498"
  ],
  "database_specific": {
    "cpes": [
      "cpe:2.3:a:hashicorp:consul:*:*:*:*:-:*:*:*"
    ],
    "severity": "Critical"
  },
  "details": "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\u0027s 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.",
  "id": "BIT-consul-2026-16498",
  "modified": "2026-08-17T06:10:32.268Z",
  "published": "2026-08-17T05:38:09.835Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://discuss.hashicorp.com/t/hcsec-2026-23-multiple-vulnerabilities-impacting-hashicorp-terraform-mcp-server/77606"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-16498"
    }
  ],
  "schema_version": "1.6.2",
  "summary": "terraform-mcp-server vulnerable to cross-tenant credential reuse in streamable-HTTP stateless mode"
}

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

Vulnerability from cvelistv5 – Published: 2026-07-28 17:57 – Updated: 2026-07-28 18:39

Title

terraform-mcp-server vulnerable to cross-tenant credential reuse in streamable-HTTP stateless mode

Summary

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 mitre root

References

1 reference

URL	Tags
https://discuss.hashicorp.com/t/hcsec-2026-23-mul…

Impacted products

1 product

Vendor	Product	Version
HashiCorp	Tooling	Affected: 0.3.0 , < 1.1.0 (semver)

Credits

This issue was identified by an internal team.

Show details on NVD website

JSON

To clipboard

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  "containers": {
    "adp": [
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        "metrics": [
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            "other": {
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                "id": "CVE-2026-16498",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-07-28T18:38:22.534995Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
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        ],
        "providerMetadata": {
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          "shortName": "CISA-ADP"
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    "cna": {
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          ],
          "product": "Tooling",
          "repo": "https://github.com/hashicorp/terraform-mcp-server",
          "vendor": "HashiCorp",
          "versions": [
            {
              "lessThan": "1.1.0",
              "status": "affected",
              "version": "0.3.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "This issue was identified by an internal team."
        }
      ],
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      "impacts": [
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    "datePublished": "2026-07-28T17:57:45.748Z",
    "dateReserved": "2026-07-21T17:19:22.057Z",
    "dateUpdated": "2026-07-28T18:39:15.712Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.

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Vulnerability from bitnami_vulndb

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

Tags

Sightings

Nomenclature