{"id":"CVE-2026-16498","aliases":["BIT-consul-2026-16498","EUVD-2026-49941","GHSA-vq72-755f-9mrm"],"status":"published","title":"terraform-mcp-server vulnerable to cross-tenant credential reuse in streamable-HTTP stateless mode","description":"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":{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00456,"percentile":0.40026,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-488"],"published":"2026-07-28T17:57:45Z","modified":"2026-10-28T02:31:10Z","fixes":[{"ecosystem":"Bitnami","package":"consul","fixed_in":["1.1.0"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"consul","ranges":[{"type":"SEMVER","events":[{"introduced":"0.3.0"},{"fixed":"1.1.0"}]}]}],"products":[{"vendor":"hashicorp","product":"tooling"}],"references":[{"url":"https://discuss.hashicorp.com/t/hcsec-2026-23-multiple-vulnerabilities-impacting-hashicorp-terraform-mcp-server/77606","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-16498","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-vq72-755f-9mrm"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/16xxx/CVE-2026-16498.json","tags":["advisory"]},{"url":"https://github.com/hashicorp/terraform-mcp-server","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-16498","title":"terraform-mcp-server vulnerable to cross-tenant credential reuse in streamable-HTTP stateless mode","description":"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.","status":"published","published":"2026-07-28T17:57:45.748Z","modified":"2026-07-28T18:39:15.712Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L","level":"critical","assessor":"cna"}],"cwes":["CWE-488"],"updated_at":"2026-11-02T14:20:11.24076Z"}],"euvd":[{"id":"EUVD-2026-49941","description":"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.","status":"published","published":"2026-07-28T17:57:45Z","modified":"2026-07-28T18:39:15Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L","level":"critical"}],"updated_at":"2026-11-02T18:02:30.949894Z"}],"ghsa":[{"id":"GHSA-vq72-755f-9mrm","title":"The terraform-mcp-server before version 1.1.0 is vulnerable to a cross-tenant credential reuse...","description":"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.","status":"published","published":"2026-07-28T21:31:31Z","modified":"2026-07-28T21:31:39Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L","level":"critical"}],"cwes":["CWE-488"],"updated_at":"2026-11-02T15:09:53.141941Z"}],"nvd":[{"id":"CVE-2026-16498","description":"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.","status":"published","published":"2026-07-28T19:17:32.117Z","modified":"2026-10-23T23:10:00.157Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L","level":"critical","assessor":"secondary"}],"cwes":["CWE-488"],"updated_at":"2026-11-02T14:12:33.249634Z"}],"osv":[{"id":"CVE-2026-16498","title":"terraform-mcp-server vulnerable to cross-tenant credential reuse in streamable-HTTP stateless mode","description":"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.","status":"published","published":"2026-07-28T17:57:45.748Z","modified":"2026-10-28T02:31:10.337130068Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L","level":"critical"}],"cwes":["CWE-488"],"updated_at":"2026-11-02T15:44:57.682091Z"},{"id":"BIT-consul-2026-16498","title":"terraform-mcp-server vulnerable to cross-tenant credential reuse in streamable-HTTP stateless mode","description":"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.","status":"published","published":"2026-08-17T05:38:09.835Z","modified":"2026-08-17T08:00:08.609671272Z","updated_at":"2026-11-02T15:28:28.70813Z"}]}}