# CVE-2026-67105: HCL BigFix Service Management insecure communication

Source: https://junglewise.ai/threats/cve-2026-67105-hcl-bigfix-service-management-is-affected-by-an-insecure  
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-2026-67105 · Severity: high · CVSS 7.4 · Published 2026-10-01

HCL BigFix Service Management is a service management platform that orchestrates IT operations and incident response across enterprise environments. An insecure communication vulnerability allows attackers on the internal network to intercept unencrypted HTTP traffic between backend services, potentially exposing sensitive operational data and enabling man-in-the-middle attacks that could compromise system integrity and confidentiality.

Technologies: [HCL BigFix Service Management](https://junglewise.ai/threats/technologies/hcl-bigfix-service-management). Vendors: [HCL](https://junglewise.ai/threats/vendors/hcl).

## Quick answers

**Is CVE-2026-67105 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-67105 being exploited in the wild.

**How severe is CVE-2026-67105?** High severity, with a CVSS score of 7.4, published 1 October 2026.

**Which products and versions are affected?** HCL BigFix Service Management.

**Is there a fix for CVE-2026-67105?** 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-2026-67105 attacked?** It is attacked from the adjacent network or over the network.

**Am I affected by CVE-2026-67105?** Check whether you run HCL BigFix Service Management. 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 stems from unencrypted HTTP communication between backend services in HCL BigFix Service Management, allowing an attacker with internal network access to intercept and read sensitive data in transit. The attack requires network access to the internal backend communication channels; no authentication or user interaction is needed once on the network. This enables data extraction and MitM attacks on service-to-service communications.

## Affected products

- HCL BigFix Service Management

## Timeline

- 2026-10-01: disclosed

## References

- [https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0134015](https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0134015)

## Related threats

- [HCL BigFix Service Management API information disclosure](https://junglewise.ai/threats/cve-2026-67171-hcl-bigfix-service-management-is-affected-by-an-information)
- [HCL BigFix Service Management improper input validation](https://junglewise.ai/threats/cve-2025-31980-hcl-bigfix-service-management-is-affected-by-an-improper-input)
- [HCL BigFix Service Management information disclosure in API endpoints](https://junglewise.ai/threats/cve-2026-67106-hcl-bigfix-service-management-is-affected-by-an-information)
- [HCL BigFix Service Management information disclosure in JavaScript](https://junglewise.ai/threats/cve-2026-67104-hcl-bigfix-service-management-is-affected-by-an-information)