What is CVE-2026-66984?

CVE-2026-66984 is a low-severity vulnerability in Hcl Software Aion, classified under Information Disclosure. CVSS score: 3.1/10. Published 2026-11-06.

How severe is CVE-2026-66984?

Low severity. CVSS v3 base score is 3.1 out of 10.

Information disclosure in Hcl Software Aion

CVE-2026-66984

HCL AION is affected by a vulnerability where certain application responses revealed internal server file system paths. This information could help an attacker understand the application structure and plan further attacks, potentially resulting in unintended behavior or security impact under certain conditions.

Vulnerability class: Information Disclosure

Published 2026-11-06 · last modified 2026-11-06.

CVSS v3 metric

CVSS v3 base score 3.1 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N.

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 Version 2.7.0

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

support.hcl-software.com/csm

Frequently asked questions

What is CVE-2026-66984?: CVE-2026-66984 is a low-severity vulnerability in Hcl Software Aion, classified under Information Disclosure. CVSS score: 3.1/10. Published 2026-11-06.
How severe is CVE-2026-66984?: Low severity. CVSS v3 base score is 3.1 out of 10.