CVE-2026-57471: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in KUNBUS RevPiPyLoad

Severity: medium (CVSS 6.8 v4.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-08-14 · updated 2026-08-28
Weakness: CWE-22

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.

Affected products

KUNBUS RevPiPyLoad: through 0.11.0

References

https://www.nozominetworks.com/labs/vulnerability-advisories-cve-2026-57471

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