CVE-2026-66981 · Other
NO FIX YET
HCL AION trusts the HTTP Host header in requests without checking it. An attacker who sends a crafted Host header can influence links, redirects or responses the application generates.
first public Nov 6, 2026 · 1 source
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HCL AION deployments that generate links, redirects or responses from the request Host header. The sources do not say which AION versions are affected or which configurations are required. Teams not running HCL AION can skip it.
Who cares hcl-aion
Unknown from the sources.
No fix yet, per the sources.
HCL AION is affected by a vulnerability where the application trusted the value of the HTTP Host header supplied in requests without validation. An attacker could manipulate this header to influence links, redirects or responses generated by the application, potentially resulting in unintended behavior or security impact under certain conditions.
This page as .md · .json · CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
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