CVE-2026-21850: medium-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.
10Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.5
HCL AION is affected by a vulnerability where user-controlled input could be included in HTTP response headers without proper neutralization of CR/LF characters. This may allow an attacker to inject headers or split responses, potentially resulting in unintended behavior or security impact under certain conditions.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Affected products
HCL Software · HCL AIONRelated CVEs — HCL AION
In the same product, most dangerous first.
CVE-2026-5345LOWHCL AION is affected by multiple security vulnerabilities.EPSS —CVE-2026-21849LOWHCL AION is affected by multiple security vulnerabilities.EPSS —CVE-2026-35107MEDIUMHCL AION is affected by multiple security vulnerabilities.EPSS —CVE-2026-35106MEDIUMHCL AION is affected by multiple security vulnerabilities.EPSS —CVE-2026-35105MEDIUMHCL AION is affected by multiple security vulnerabilities.EPSS —CVE-2026-35104MEDIUMHCL AION is affected by multiple security vulnerabilities.EPSS —