HPE ClearPass Policy Manager path traversal

Summaryinfo

A vulnerability marked as critical has been reported in HPE ClearPass Policy Manager. This affects an unknown function. This manipulation causes path traversal. This vulnerability is registered as CVE-2026-79809. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in HPE ClearPass Policy Manager (the affected version is unknown). It has been declared as critical. Affected by this vulnerability is an unknown code. The manipulation with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An unauthenticated path traversal vulnerability exists in an API endpoint of ClearPass Policy Manager. Successful exploitation of this vulnerability allows an unauthenticated remote attacker to influence authorization decisions and be assigned an unintended role.

The advisory is shared at support.hpe.com. This vulnerability is known as CVE-2026-79809 since 08/25/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 10/06/2026). MITRE ATT&CK project uses the attack technique T1006 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Type

• Policy Management Software

Vendor

• HPE

Name

• ClearPass Policy Manager

License

• commercial

Website

• Vendor: https://www.hpe.com/

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