Vulnerability · Published Aug 14, 2026 · Assigned by Nozomi

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

Medium 6.8

In plain English

A medium-severity path traversal in RevPiPyLoad from KUNBUS. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 6% of all known vulnerabilities).

Severity (CVSS 4.0)6.8Medium

Exploit odds (30 days)0.2%top 94.2% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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 (as reported)

Vendor	Product	Versions
KUNBUS	RevPiPyLoad	0 – through 0.11.0

Weakness: CWE-22 · Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

References

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