CVE-2026-21834: low-severity vulnerability in HCL AION
HCL AION is affected by multiple security vulnerabilities.
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
5Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 3.1
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.
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
Affected products
HCL Software · HCL AIONRelated CVEs — HCL AION
In the same product, most dangerous first.
CVE-2026-66986LOWHCL AION is affected by multiple security vulnerabilities.EPSS —CVE-2026-66987MEDIUMHCL AION is affected by multiple security vulnerabilities.EPSS —CVE-2026-66982LOWHCL AION is affected by multiple security vulnerabilities.EPSS —CVE-2026-66984LOWHCL AION is affected by multiple security vulnerabilities.EPSS —CVE-2026-66981MEDIUMHCL AION is affected by multiple security vulnerabilities.EPSS —CVE-2026-21850MEDIUMHCL AION is affected by multiple security vulnerabilities.EPSS —