CVE-2026-35115

HCL AION omits strict browser transport protection

HCL Software · HCL AION

First documented disclosure · Review checkpoint

Summary

Missing strict transport policy permits downgrade. A user could reach the application over a less secure connection.

Severity and exploitation evidence

Low · 3.7/10 · 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 application does not send an effective HTTP Strict Transport Security policy.

Conditions required

A browser must encounter a downgrade opportunity on a connection it has not already protected.

Potential impact

A user could reach the application over a less secure connection.

Affected versions and configurations

2.6.0.

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

Verify strict transport policy on entry points as well as the application itself.

Evidence and limits

HCL bulletin KB0135118 was published 2026-11-04 and identifies 2.8.0 as the fix. HCL’s CVE record gives 2026-11-03 as its public date.

Sources