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

Quick assessment

Affected
KUNBUS RevPiPyLoad
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

KUNBUS RevPiPyLoad是KUNBUS公司的一款工业控制程序加载工具。 KUNBUS RevPiPyLoad 0.11.0及之前版本存在路径遍历漏洞，该漏洞源于XML-RPC管理接口的文件管理功能对路径名的限制不当，存在路径遍历问题，可能导致本地未认证攻击者通过发送特制请求读取任意文件，包括敏感配置和凭据。

CVSS 6.8 · Medium EPSS 0.12% · P2

Affected Version Matrix 1

VendorProduct Version RangeStatus
KUNBUS RevPiPyLoad ≤ 0.11.0 affected
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I. Basic Information for CVE-2026-57471

Vulnerability Information
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Vulnerability Title
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in KUNBUS RevPiPyLoad
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
KUNBUS RevPiPyLoad 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
KUNBUS RevPiPyLoad是KUNBUS公司的一款工业控制程序加载工具。 KUNBUS RevPiPyLoad 0.11.0及之前版本存在路径遍历漏洞，该漏洞源于XML-RPC管理接口的文件管理功能对路径名的限制不当，存在路径遍历问题，可能导致本地未认证攻击者通过发送特制请求读取任意文件，包括敏感配置和凭据。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
KUNBUS RevPiPyLoad 0 ~ 0.11.0 -

II. Public POCs for CVE-2026-57471

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III. Intelligence Information for CVE-2026-57471

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Vendor Advisories for CVE-2026-57471 (1)

Same Patch Batch · KUNBUS · 2026-08-14 · 6 CVEs total

CVE-2026-13196 7.3 HIGH Out-of-bounds Write in KUNBUS piControl
CVE-2026-13197 7.3 HIGH Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition'
CVE-2026-57472 6.9 MEDIUM Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in KUNBUS R
CVE-2026-13198 5.9 MEDIUM Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition'
CVE-2026-57469 5.1 MEDIUM Cross-Site Request Forgery (CSRF) in KUNBUS PiCtory

IV. Related Vulnerabilities

Same product: RevPiPyLoad
Same vendor: KUNBUS
Same weakness: CWE-22

V. Comments for CVE-2026-57471

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