{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-66981", "assignerOrgId": "1e47fe04-f25f-42fa-b674-36de2c5e3cfc", "state": "PUBLISHED", "assignerShortName": "HCL", "dateReserved": "2026-07-28T13:21:51.896Z", "datePublished": "2026-11-06T15:29:43.579Z", "dateUpdated": "2026-11-06T15:31:50.870Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1e47fe04-f25f-42fa-b674-36de2c5e3cfc", "shortName": "HCL", "dateUpdated": "2026-11-06T15:31:50.870Z"}, "title": "HCL AION is affected by multiple security vulnerabilities.", "datePublic": "2026-11-06T08:30:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-74", "description": "CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component", "type": "CWE"}]}], "affected": [{"vendor": "HCL Software", "product": "HCL AION", "versions": [{"status": "affected", "version": "V 2.7.0"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "HCL AION is affected by a vulnerability where the application trusted the value of the HTTP Host header supplied in requests without validation. An attacker could manipulate this header to influence links, redirects or responses generated by the application, potentially resulting in unintended behavior or security impact under certain conditions.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "HCL AION is affected by a vulnerability where the application trusted the value of the HTTP Host header supplied in requests without validation. An attacker could manipulate this header to influence links, redirects or responses generated by the application, potentially resulting in unintended behavior or security impact under certain conditions."}]}], "references": [{"url": "https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0135217"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "LOW", "baseSeverity": "MEDIUM", "baseScore": 6.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L"}}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.0"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "HCL AION", "vendor": "HCL Software", "versions": [{"status": "affected", "version": "V 2.7.0"}]}], "source": "psirt@hcl.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "HCL AION is affected by a vulnerability where the application trusted the value of the HTTP Host header supplied in requests without validation. An attacker could manipulate this header to influence links, redirects or responses generated by the application, potentially resulting in unintended behavior or security impact under certain conditions."}], "id": "CVE-2026-66981", "lastModified": "2026-11-06T16:18:57.633", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 2.3, "impactScore": 3.7, "source": "psirt@hcl.com", "type": "Secondary"}]}, "published": "2026-11-06T16:18:57.633", "references": [{"source": "psirt@hcl.com", "url": "https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0135217"}], "sourceIdentifier": "psirt@hcl.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-74"}], "source": "psirt@hcl.com", "type": "Secondary"}]}

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