CVE-2026-66982

HCL AION lets browsers retain sensitive login values

HCL Software · HCL AION

First documented disclosure · Review checkpoint

Summary

Login fields allow browser credential autocomplete. Previously entered credentials may be exposed to another user of that browser.

Severity and exploitation evidence

Low · 3.3/10 · CVSS 3.1. Severity source.

Exploitation not established: The reviewed public sources describe the vulnerability and its conditions. Malicious exploitation has not been established in the reviewed sources.

Exploitation evidence source

Technical severity is not a measure of observed attacks or of risk to your deployment. Attempts, demonstrations, and successful compromise retain the qualifications in the source.

How the weakness works

The login form permits browser autocomplete for sensitive fields.

Conditions required

An actor needs access to the same browser or system where the values were retained.

Potential impact

Previously entered credentials may be exposed to another user of that browser.

Affected versions and configurations

2.7.0.

Fix and mitigation status

2.8.0.

Practical next steps

Upgrade HCL AION to 2.8.0 and verify the affected control in the deployed interface.

Operating lesson

Review browser credential retention on shared workstations and sensitive forms.

Evidence and limits

HCL bulletin KB0135217 was published 2026-11-06 and identifies 2.8.0 as the fix.

Sources