CVE-2026-35102

HCL AION can redirect users during workspace version switching

HCL Software · HCL AION

First documented disclosure · Review checkpoint

Summary

Unvalidated redirect when switching workspace versions. A user could be sent from the AI interface to an untrusted site.

Severity and exploitation evidence

Medium · 4.7/10 · 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 navigation component constructs a workspace redirect without checking its destination.

Conditions required

A user must initiate the affected version-switching flow and encounter a redirect influenced by an attacker.

Potential impact

A user could be sent from the AI interface to an untrusted site.

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

Restrict workspace-switch redirects to known application origins.

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