Vulnerability in Hcl Software Aion
CVE-2026-66981
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Hcl Software Aion — versions V 2.7.0
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-66981?
- CVE-2026-66981 is a medium-severity vulnerability in Hcl Software Aion, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.5/10. Published 2026-11-06.
- How severe is CVE-2026-66981?
- Medium severity. CVSS v3 base score is 6.5 out of 10.