{"id":"CVE-2026-21834","published":"2026-11-06T16:17:56.330","lastModified":"2026-11-10T15:17:28.350","description":"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.","cvssScore":3.1,"cvssSeverity":"LOW","cvssVector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N","cwes":["CWE-1021"],"vendors":[],"products":[],"references":[{"url":"https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0135217","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}