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TI-2026-41390 Aliases CVE-2026-57471GHSA-6rrq-ffwf-5j3w

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

Priority LOW 29CWE-22Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-22 and the CVSS impact.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00165 5th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
KUNBUSRevPiPyLoadup to 0.11.0—No fix listedCNA
  • RevPiPyLoad VendorKUNBUS Affected up to 0.11.0 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-57471
  2. 2026-10-03 Alias added: GHSA-6rrq-ffwf-5j3w

References

  • TI-2025-27612 RevPi Webstatus application is vulnerable to an authentication bypass CVSS 3.1CRITICAL 9.8
  • TI-2025-23135 KUNBUS Revolution Pi Authentication Bypass by Primary Weakness CVSS 4.0CRITICAL 9.3
  • TI-2025-24619 KUNBUS Revolution Pi Improper Neutralization of Server-Side Includes (SSI) Within a Web Page CVSS 4.0HIGH 8.5
  • TI-2019-04581 Improper authentication in ICS-CERT PR100088 Modbus gateway CVSS 3.1CRITICAL 9.8
  • TI-2025-24876 KUNBUS Revolution Pi Improper Neutralization of Server-Side Includes (SSI) Within a Web Page CVSS 4.0MEDIUM 5.1
  • TI-2019-04587 Missing authentication in ICS-CERT PR100088 Modbus gateway CVSS 3.1CRITICAL 9.1
See all 17 →

Sources