RedHat PCP pmproxy Servlet Path Traversal VULN
CVE-2026-16531 Published on July 30, 2026

Pcp: pcp: arbitrary file creation via path traversal in pmproxy logger servlet
An unauthenticated remote attacker can exploit a path traversal vulnerability in the PCP pmproxy logger servlet using a crafted hostname. This allows arbitrary file and directory creation, potentially leading to a denial of service.

NVD

Vulnerability Analysis

CVE-2026-16531 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality, with no impact on integrity, and no impact on availability.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
NONE
Integrity Impact:
LOW
Availability Impact:
NONE

Timeline

Reported to Red Hat.

Made public. 8 days later.

Weakness Type

What is a Directory traversal Vulnerability?

The software 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 software 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.

CVE-2026-16531 has been classified to as a Directory traversal vulnerability or weakness.


Products Associated with CVE-2026-16531

stack.watch emails you whenever new vulnerabilities are published in Red Hat Enterprise Linux (RHEL) or Red Hat Openshift. Just hit a watch button to start following.

 
 

Affected Versions

Red Hat Enterprise Linux 10: Red Hat Enterprise Linux 6: Red Hat Enterprise Linux 7: Red Hat Enterprise Linux 8: Red Hat Enterprise Linux 9: Red Hat OpenShift Container Platform 4: