CVE-2026-21834

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-21834", "assignerOrgId": "1e47fe04-f25f-42fa-b674-36de2c5e3cfc", "state": "PUBLISHED", "assignerShortName": "HCL", "dateReserved": "2026-01-05T16:08:25.000Z", "datePublished": "2026-11-06T15:23:05.022Z", "dateUpdated": "2026-11-10T14:39:07.436Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1e47fe04-f25f-42fa-b674-36de2c5e3cfc", "shortName": "HCL", "dateUpdated": "2026-11-06T15:26:32.316Z"}, "title": "HCL AION is affected by multiple security vulnerabilities.", "datePublic": "2026-11-06T08:30:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-1021", "description": "CWE-1021 Improper Restriction of Rendered UI Layers or Frames", "type": "CWE"}]}], "affected": [{"vendor": "HCL Software", "product": "HCL AION", "versions": [{"status": "affected", "version": "Version 2.7.0"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "HCL AION is affected by a vulnerability where the Content-Security-Policy (CSP) security response header was missing from application responses. Without this header, the browser does not restrict the sources of scripts and other content, increasing exposure to cross-site scripting and content-injection attacks, 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 Content-Security-Policy (CSP) security response header was missing from application responses. Without this header, the browser does not restrict the sources of scripts and other content, increasing exposure to cross-site scripting and content-injection attacks, 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": "HIGH", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE", "baseSeverity": "LOW", "baseScore": 3.1, "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N"}}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-11-10T14:37:46.026637Z", "id": "CVE-2026-21834", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"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": "2026-11-10T14:39:07.436Z"}}]}}

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-21834", "assignerOrgId": "1e47fe04-f25f-42fa-b674-36de2c5e3cfc", "state": "PUBLISHED", "assignerShortName": "HCL", "dateReserved": "2026-01-05T16:08:25.000Z", "datePublished": "2026-11-06T15:23:05.022Z", "dateUpdated": "2026-11-10T14:39:07.436Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1e47fe04-f25f-42fa-b674-36de2c5e3cfc", "shortName": "HCL", "dateUpdated": "2026-11-06T15:26:32.316Z"}, "title": "HCL AION is affected by multiple security vulnerabilities.", "datePublic": "2026-11-06T08:30:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-1021", "description": "CWE-1021 Improper Restriction of Rendered UI Layers or Frames", "type": "CWE"}]}], "affected": [{"vendor": "HCL Software", "product": "HCL AION", "versions": [{"status": "affected", "version": "Version 2.7.0"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "HCL AION is affected by a vulnerability where the Content-Security-Policy (CSP) security response header was missing from application responses. Without this header, the browser does not restrict the sources of scripts and other content, increasing exposure to cross-site scripting and content-injection attacks, 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 Content-Security-Policy (CSP) security response header was missing from application responses. Without this header, the browser does not restrict the sources of scripts and other content, increasing exposure to cross-site scripting and content-injection attacks, 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": "HIGH", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE", "baseSeverity": "LOW", "baseScore": 3.1, "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N"}}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.0"}}, "adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-21834", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-11-10T14:37:46.026637Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-11-10T14:39:00.765Z"}}]}}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "HCL AION", "vendor": "HCL Software", "versions": [{"status": "affected", "version": "Version 2.7.0"}]}], "source": "psirt@hcl.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "HCL AION is affected by a vulnerability where the Content-Security-Policy (CSP) security response header was missing from application responses. Without this header, the browser does not restrict the sources of scripts and other content, increasing exposure to cross-site scripting and content-injection attacks, potentially resulting in unintended behavior or security impact under certain conditions."}], "id": "CVE-2026-21834", "lastModified": "2026-11-10T15:17:28.350", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.1, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 1.4, "source": "psirt@hcl.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-21834", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-11-10T14:37:46.026637Z", "version": "2.0.3"}}]}, "published": "2026-11-06T16:17:56.330", "references": [{"source": "psirt@hcl.com", "url": "https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0135217"}], "sourceIdentifier": "psirt@hcl.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-1021"}], "source": "psirt@hcl.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "2.7.0"}}], "enrichment": {"confidence": 86.0, "confidence_source": "matching", "scores": [{"score": 86.0, "source": "matching"}]}, "original": {"product": "HCL AION", "source": "cna", "vendor": "HCL Software"}, "product": "aion", "vendor": "hcltech"}], "created": "2026-11-06T16:45:05.628169+00:00", "title": "Missing CSP Header Enables XSS in HCL AION", "updated": "2026-11-06T21:38:57.810399+00:00", "vendors": ["hcltech", "hcltech$PRODUCT$aion"]}