HCL AION is affected by multiple security vulnerabilities.

published 2026-11-06 2 d ago modified 2026-11-06 2 d ago also EUVD-2026-118234

cvss: 4.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 8%
public exploits: 0; none known

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.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 2 d ago (2026-11-06)

Exploit prediction

0.19% chance of exploitation in the next 30 days, higher than 8% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	4.8	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

Affected products

HCL Software HCL AION

Classification

Weakness

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

support.hcl-software.com /csm?id=kb_article&sysparm_article=KB0135118

Sources

CVE List CVE-2026-35113
NVD CVE-2026-35113

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary