CVE-2026-66981 Details
Description
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.
A vulnerability exists in HCL AION version 2.7.0, where the application improperly validates the HTTP Host header in requests. This flaw allows attackers to manipulate the header, potentially affecting links, redirects, or responses generated by the application. Such manipulation could lead to unintended behavior or security issues under certain conditions.
Users can upgrade to HCL AION version 2.8.0, which addresses this vulnerability. For assistance with the upgrade process, contact the HCL AION support team.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Nov 6, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0135217 | [email protected] | AdvisoryBundleRemedyVendor |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-74 | Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| HCL AION | 2.7.0 (semver) |
CPE
Remediation
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Change History
1 change record found show changes
| Date | Action | Recorded By |
|---|---|---|
| Nov 6, 2026 | New CVE Received | [email protected] |