CVE-2026-105281
Received Received - Intake

Unauthenticated Data Access in openPDC

Publication date: 2026-10-09

Last updated on: 2026-10-09

Assigner: ICS-CERT

Description
The internal data publisher on openPDC accepts network connections without authentication in its default configuration. An unauthenticated network attacker can connect to this interface and retrieve the complete device and measurement topology of the system.

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Meta Information

Published
2026-10-09
Last Modified
2026-10-09
Generated
2026-10-09
AI Q&A
2026-10-09
EPSS Evaluated
N/A
NVD
CVE-2026-105281
EUVD
EUVD-2026-95780

Affected Vendors & Products

Showing 6 associated CPEs
Vendor Product Version / Range
Grid Protection Alliance openPDC 0
Grid Protection Alliance openPDC 0
Grid Protection Alliance openPDC (Docker image) 0
Grid Protection Alliance openPDC (Docker image) 0
Grid Protection Alliance openHistorian 0
Grid Protection Alliance openHistorian 0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-306 The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.

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Executive Summary

This vulnerability allows unauthenticated network attackers to connect to the internal data publisher of openPDC in its default configuration. They can then retrieve the complete device and measurement topology of the system without any authentication.

Detection Guidance

Check for open network connections to the internal data publisher interface of openPDC. Use commands like netstat -tuln | grep <port> or ss -tuln | grep <port> to identify listening ports. Inspect openPDC logs for unauthorized access attempts or unusual connections.

Impact Analysis

An attacker could gain sensitive information about your system's infrastructure, including device and measurement details. This could lead to further attacks, data breaches, or unauthorized access to critical systems.

Compliance Impact

This vulnerability could lead to unauthorized access to sensitive data, violating confidentiality requirements in GDPR and HIPAA. It may result in non-compliance due to insufficient access controls and potential data exposure.

Mitigation Strategies

Enable authentication on the internal data publisher interface. Restrict network access to the interface using firewalls or network segmentation. Update openPDC to the latest version if an authenticated configuration is available.

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