# CVE-2026-108018: HCL BigFix MCM admin portal internet exposure

Source: https://junglewise.ai/threats/cve-2026-108018-the-bigfix-mcm-admin-portal-is-directly-accessible-from-the  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-11-06. Updated: 2026-11-06  
License: CC BY 4.0 with a link back

CVE-2026-108018 · Severity: medium · CVSS 6.3 · Published 2026-11-06

HCL BigFix MCM is a management and compliance platform used to monitor and control IT infrastructure. The admin portal is accessible directly from the internet without requiring VPN or network restrictions, and a client-side configuration file exposes environment details, increasing the risk of unauthorized access and reconnaissance attacks.

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

## Quick answers

**Is CVE-2026-108018 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-108018 being exploited in the wild.

**How severe is CVE-2026-108018?** Medium severity, with a CVSS score of 6.3, published 6 November 2026.

**Which products and versions are affected?** HCL BigFix MCM.

**Is there a fix for CVE-2026-108018?** 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-2026-108018 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2026-108018?** Check whether you run HCL BigFix MCM. 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 BigFix MCM admin portal lacks network-level access controls, allowing direct internet exposure without VPN enforcement. A client-side configuration file discloses non-sensitive environment details that can aid attackers in reconnaissance. This information exposure combined with unrestricted portal accessibility increases the attack surface for credential stuffing, brute force, and other unauthorized access attempts.

## Affected products

- HCL BigFix MCM

## Timeline

- 2026-11-06: disclosed

## References

- [https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0135001](https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0135001)