CVE-2026-16326

{"id": "CVE-2026-16326", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-16326", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-07-29T19:10:01.220224Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security@hashicorp.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 10.0, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 3.9}]}, "affected": [{"source": "security@hashicorp.com", "affectedData": [{"repo": "https://github.com/hashicorp/consul-mcp-server", "vendor": "HashiCorp", "product": "Tooling", "versions": [{"status": "affected", "version": "0.1.0", "lessThan": "0.1.4", "versionType": "semver"}], "platforms": ["64 bit", "32 bit", "x86", "ARM", "MacOS", "Windows", "Linux"], "defaultStatus": "unaffected"}]}], "published": "2026-07-29T19:16:44.900", "references": [{"url": "https://discuss.hashicorp.com/t/hcsec-2026-24-multiple-vulnerabilities-impacting-hashicorp-consul-mcp-server/77612", "source": "security@hashicorp.com"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "security@hashicorp.com", "description": [{"lang": "en", "value": "CWE-488"}]}], "descriptions": [{"lang": "en", "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."}], "lastModified": "2026-07-30T14:08:23.057", "sourceIdentifier": "security@hashicorp.com"}