# CVE-2026-66247: HCL iControl insecure CORS policy

Source: https://junglewise.ai/threats/cve-2026-66247-icontrol-is-affected-by-an-insecure-cross-origin-resource-sharing  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-01. Updated: 2026-10-05  
License: CC BY 4.0 with a link back

CVE-2026-66247 · Severity: medium · CVSS 4.3 · Published 2026-10-01

iControl, an administrative interface for HCL products, has an insecure cross-origin resource sharing (CORS) policy that allows malicious websites to make authenticated requests on behalf of logged-in users. An attacker can craft a malicious website that, when visited by an iControl user, steals sensitive data from their active session without their knowledge.

Vendors: [HCL](https://junglewise.ai/threats/vendors/hcl).

## Quick answers

**Is CVE-2026-66247 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-66247 being exploited in the wild.

**How severe is CVE-2026-66247?** Medium severity, with a CVSS score of 4.3, published 1 October 2026.

**Which products and versions are affected?** HCL iControl.

**Is there a fix for CVE-2026-66247?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-66247 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-66247?** Check whether you run HCL iControl. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

The vulnerability is an insecure CORS policy implementation in iControl that permits cross-origin requests with credentials. An attacker can exploit this via a malicious website visited by an authenticated iControl user, leveraging the victim's session credentials to exfiltrate sensitive data. The attack requires user interaction (visiting a malicious site) and an active authenticated session.

## Affected products

- HCL iControl

## Timeline

- 2026-10-01: disclosed

## References

- [https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0133940](https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0133940)

## Related threats

- [HCL iControl broken access control vulnerability](https://junglewise.ai/threats/cve-2026-66246-icontrol-is-affected-by-a-broken-access-control-vulnerability)