{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-21833","assignerOrgId":"1e47fe04-f25f-42fa-b674-36de2c5e3cfc","state":"PUBLISHED","assignerShortName":"HCL","dateReserved":"2026-01-05T16:08:25.000Z","datePublished":"2026-10-01T16:54:24.057Z","dateUpdated":"2026-10-01T18:03:33.734Z"},"containers":{"cna":{"providerMetadata":{"orgId":"1e47fe04-f25f-42fa-b674-36de2c5e3cfc","shortName":"HCL","dateUpdated":"2026-10-01T16:54:24.057Z"},"title":"HCL AION is susceptible to a Missing \"Content-Security-Policy\" header Vulnerability (CVE-2026-21833)","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-1032","description":"CWE-1032 OWASP Top Ten 2017 Category A6 - Security Misconfiguration","type":"CWE"}]}],"affected":[{"vendor":"HCL Software","product":"AION","versions":[{"status":"affected","version":"Version 2.5.0"}],"defaultStatus":"unaffected"}],"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.","supportingMedia":[{"type":"text/html","base64":false,"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."}]}],"references":[{"url":"https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0134082"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"NONE","baseSeverity":"LOW","baseScore":3.7,"vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/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":"2026-10-01T18:03:22.825890Z","id":"CVE-2026-21833","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":"2026-10-01T18:03:33.734Z"}}]}}