# CVE-2026-79812: HPE ClearPass Policy Manager OnGuard agent denial of service

Source: https://junglewise.ai/threats/cve-2026-79812-a-denial-of-service-vulnerability-exists-in-the-onguard-agent-of  
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-2026-79812 · Severity: medium · CVSS 6.1 · Published 2026-10-06

HPE ClearPass Policy Manager is a network access control solution that manages user authentication and device compliance. The OnGuard agent component is vulnerable to a denial of service attack that allows an authenticated local attacker to disrupt the agent's operation, potentially affecting network access enforcement for users and devices.

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-2026-79812 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-79812 being exploited in the wild.

**How severe is CVE-2026-79812?** Medium severity, with a CVSS score of 6.1, published 6 October 2026.

**Which products and versions are affected?** Hpe ClearPass Policy Manager <UNKNOWN>.

**Is there a fix for CVE-2026-79812?** 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-2026-79812 attacked?** It is attacked with local access, in a network appliance.

**Am I affected by CVE-2026-79812?** Check whether you run Hpe ClearPass Policy Manager at an affected version. 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

A denial of service vulnerability exists in the OnGuard agent component of ClearPass Policy Manager. The vulnerability requires local access and prior authentication to exploit. A successful attack allows an authenticated local attacker to interrupt normal operation of the agent service.

## Affected products

- HPE ClearPass Policy Manager <UNKNOWN>

## 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 API authentication bypass](https://junglewise.ai/threats/cve-2026-79818-a-vulnerability-in-an-api-interface-of-clearpass-policy-manager)
- [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 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)