CVE-2026-57471
Received Received - Intake

Path Traversal in KUNBUS RevPiPyLoad

Publication date: 2026-08-14

Last updated on: 2026-08-14

Assigner: Nozomi Networks Inc.

Description
Nozomi Networks Labs identified a CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in the file management functionality of the XML-RPC management interface of KUNBUS RevPiPyLoad in version 0.11.0 that allows a local unauthenticated attacker to read arbitrary files with the privileges of the RevPiPyLoad daemon, including sensitive configuration and credential material, by sending crafted requests to the local management service.

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Meta Information

Published
2026-08-14
Last Modified
2026-08-14
Generated
2026-08-14
AI Q&A
2026-08-14
EPSS Evaluated
N/A
NVD
CVE-2026-57471
EUVD
EUVD-2026-58677

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
kunbus revpipyload 0.11.0

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Exploitability

CWE
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KEV
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CWE ID Description
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.

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Executive Summary

This is a Path Traversal vulnerability in KUNBUS RevPiPyLoad version 0.11.0. It allows a local unauthenticated attacker to read arbitrary files by sending crafted requests to the local management service. The vulnerability exists in the file management functionality of the XML-RPC management interface.

Detection Guidance

This vulnerability is a local path traversal issue in KUNBUS RevPiPyLoad 0.11.0. Detection requires checking for unauthorized file access attempts via the XML-RPC management interface. Monitor logs for suspicious requests targeting the local management service. No specific commands are provided in the context.

Impact Analysis

An attacker could exploit this to read sensitive files with the privileges of the RevPiPyLoad daemon. This includes configuration files and credential material, potentially leading to unauthorized access or data exposure.

Compliance Impact

This vulnerability could lead to unauthorized access to sensitive data, which may violate compliance requirements under GDPR or HIPAA. Exposure of credential material or configuration files could result in data breaches or non-compliance with security standards.

Mitigation Strategies

Immediate mitigation steps include updating RevPiPyLoad to a patched version if available, restricting local access to the XML-RPC management interface, and reviewing file permissions to limit daemon privileges. Disable unnecessary services if the vulnerability is confirmed.

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