{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-16326", "assignerOrgId": "67fedba0-ff2e-4543-ba5b-aa93e87718cc", "state": "PUBLISHED", "assignerShortName": "HashiCorp", "dateReserved": "2026-07-20T17:50:16.465Z", "datePublished": "2026-07-29T18:40:08.796Z", "dateUpdated": "2026-07-29T19:10:11.027Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "platforms": ["64 bit", "32 bit", "x86", "ARM", "MacOS", "Windows", "Linux"], "product": "Tooling", "repo": "https://github.com/hashicorp/consul-mcp-server", "vendor": "HashiCorp", "versions": [{"lessThan": "0.1.4", "status": "affected", "version": "0.1.0", "versionType": "semver"}]}], "credits": [{"lang": "en", "value": "This issue was reported by an internal HashiCorp team."}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<p>In consul-mcp-server, versions 0.1.0 up to 0.1.3 did not properly isolate session state in stateless mode, which may allow one client's Consul authentication token to be used for subsequent requests from other clients. This vulnerability (CVE-2026-16326) is fixed in consul-mcp-server 0.1.4.</p><br/>"}], "value": "In consul-mcp-server, versions 0.1.0 up to 0.1.3 did not properly isolate session state in stateless mode, which may allow one client's Consul authentication token to be used for subsequent requests from other clients. This vulnerability (CVE-2026-16326) is fixed in consul-mcp-server 0.1.4."}], "impacts": [{"capecId": "CAPEC-60", "descriptions": [{"lang": "en", "value": "CAPEC-60: Reusing Session IDs (Session Replay)"}]}], "metrics": [{"cvssV3_1": {"baseScore": 10, "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-488", "description": "CWE-488: Exposure of Data Element to Wrong Session", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "67fedba0-ff2e-4543-ba5b-aa93e87718cc", "shortName": "HashiCorp", "dateUpdated": "2026-07-29T18:40:08.796Z"}, "references": [{"url": "https://discuss.hashicorp.com/t/hcsec-2026-24-multiple-vulnerabilities-impacting-hashicorp-consul-mcp-server/77612"}], "source": {"advisory": "HCSEC-2026-24", "discovery": "INTERNAL"}, "title": "consul-mcp-server vulnerable to cross-tenant credential reuse in streamable-HTTP stateless mode"}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-07-29T19:10:01.220224Z", "id": "CVE-2026-16326", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-29T19:10:11.027Z"}}]}}

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{"affected": [{"configurations": [{"platform": ["64_bit", "32_bit", "x86", "arm", "macos", "windows", "linux"], "status": "affected", "versions": {"scheme": "semver", "value": "[0.1.0,0.1.4)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Tooling", "source": "cna", "vendor": "HashiCorp"}, "product": "tooling", "vendor": "hashicorp"}], "created": "2026-07-29T20:30:03.374114+00:00", "updated": "2026-07-29T20:30:03.374141+00:00", "vendors": ["hashicorp", "hashicorp$PRODUCT$tooling"]}