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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "AION", "vendor": "HCL Software", "versions": [{"status": "affected", "version": "Version 2.5.0"}]}], "source": "psirt@hcl.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "HCL AION is affected by a vulnerability in which the Content-Security-Policy (CSP) HTTP response header is not configured. CSP helps prevent attacks such as Cross-Site Scripting (XSS) by restricting the sources from which scripts, styles, and other resources can be loaded. The absence of this header may reduce the effectiveness of browser-based security controls, potentially resulting in unintended behavior or negative security impacts under certain conditions."}], "id": "CVE-2026-21833", "lastModified": "2026-10-01T17:17:23.380", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.7, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 1.4, "source": "psirt@hcl.com", "type": "Secondary"}]}, "published": "2026-10-01T17:17:23.380", "references": [{"source": "psirt@hcl.com", "url": "https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0134082"}], "sourceIdentifier": "psirt@hcl.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-1032"}], "source": "psirt@hcl.com", "type": "Secondary"}]}

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