# CVE-2026-79818: HPE ClearPass Policy Manager API authentication bypass

Source: https://junglewise.ai/threats/cve-2026-79818-a-vulnerability-in-an-api-interface-of-clearpass-policy-manager  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-06. Updated: 2026-10-06  
License: CC BY 4.0 with a link back

CVE-2026-79818 · Severity: medium · CVSS 5.3 · Published 2026-10-06

ClearPass Policy Manager is HPE's network access control and identity management platform used to manage secure device access in enterprise networks. This vulnerability in its API allows unauthenticated attackers to bypass authentication controls, potentially exposing sensitive customer and configuration information without requiring valid credentials.

Technologies: [Hpe ClearPass Policy Manager](https://junglewise.ai/threats/technologies/hpe-clearpass-policy-manager). Vendors: [Hpe](https://junglewise.ai/threats/vendors/hpe).

## Quick answers

**Is CVE-2026-79818 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-79818 being exploited in the wild.

**How severe is CVE-2026-79818?** Medium severity, with a CVSS score of 5.3, published 6 October 2026.

**Which products and versions are affected?** HPE ClearPass Policy Manager.

**Is there a fix for CVE-2026-79818?** 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-2026-79818 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2026-79818?** Check whether you run Hpe ClearPass Policy Manager. 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

An authentication bypass vulnerability exists in an API interface of ClearPass Policy Manager that allows unauthenticated remote attackers to circumvent authentication controls. The vulnerability enables unauthorized access to sensitive information on affected systems through a network-based attack vector requiring no authentication or user interaction.

## Affected products

- HPE ClearPass Policy Manager

## Timeline

- 2026-10-06: disclosed

## References

- [https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05158en_us&docLocale=en_US](https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05158en_us&docLocale=en_US)

## Related threats

- [HPE ClearPass Policy Manager client information disclosure](https://junglewise.ai/threats/cve-2026-79817-a-sensitive-information-disclosure-vulnerability-exists-in-the)
- [HPE Networking ClearPass Policy Manager DOM-based XSS in client interface](https://junglewise.ai/threats/cve-2026-79816-a-vulnerability-in-a-client-interface-of-hpe-networking-clearpass)
- [HPE ClearPass Policy Manager OnGuard agent denial of service](https://junglewise.ai/threats/cve-2026-79812-a-denial-of-service-vulnerability-exists-in-the-onguard-agent-of)
- [HPE ClearPass Policy Manager API SQL injection](https://junglewise.ai/threats/cve-2026-79811-a-sql-injection-vulnerability-in-the-api-of-clearpass-policy)
- [HPE ClearPass Policy Manager path traversal in API endpoint](https://junglewise.ai/threats/cve-2026-79809-an-unauthenticated-path-traversal-vulnerability-exists-in-an-api)