Vulnerability in Hcl Software Aion

CVE-2026-66986

HCL AION is affected by a vulnerability where user sessions did not expire after a sufficient period of inactivity. An unattended authenticated session could be used by another person with access to the same system to view information or perform actions on behalf of the user, potentially resulting in unintended behavior or security impact under certain conditions.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/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

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-66986?
CVE-2026-66986 is a low-severity vulnerability in Hcl Software Aion, classified under Insufficient Session Expiration. CVSS score: 3.3/10. Published 2026-11-06.
How severe is CVE-2026-66986?
Low severity. CVSS v3 base score is 3.3 out of 10.