What is CVE-2026-35113?

CVE-2026-35113 is a medium-severity vulnerability in Hcl Software Aion, classified under Information Disclosure. CVSS score: 4.8/10. Published 2026-11-06.

How severe is CVE-2026-35113?

Medium severity. CVSS v3 base score is 4.8 out of 10.

Information disclosure in Hcl Software Aion

CVE-2026-35113

HCL AION is affected by a vulnerability where the Cross-Origin-Opener-Policy (COOP) header was missing or insecure, allowing cross-origin documents to share a browsing context with the application. This may enable cross-window 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 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/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 V 2.6.0

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

support.hcl-software.com/csm

Frequently asked questions

What is CVE-2026-35113?: CVE-2026-35113 is a medium-severity vulnerability in Hcl Software Aion, classified under Information Disclosure. CVSS score: 4.8/10. Published 2026-11-06.
How severe is CVE-2026-35113?: Medium severity. CVSS v3 base score is 4.8 out of 10.