{"id":"BIT-consul-2026-16496","summary":"terraform-mcp-server vulnerable to cross-user credential inheritance if an MCP session ID is obtained by another user","details":"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.","aliases":["CVE-2026-16496"],"modified":"2026-08-17T08:00:16.106355974Z","published":"2026-08-17T05:38:08.227Z","database_specific":{"severity":"High","cpes":["cpe:2.3:a:hashicorp:consul:*:*:*:*:-:*:*:*"]},"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-2026-16496"}],"affected":[{"package":{"name":"consul","ecosystem":"Bitnami","purl":"pkg:bitnami/consul"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0.3.0"},{"fixed":"1.1.0"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/consul/BIT-consul-2026-16496.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:L"}]}],"schema_version":"1.9.0"}