A Modbus connection feature on openPDC accepts a caller-specified destination address and port with no restriction on which internal hosts may be targeted. An authenticated user can attempt connections to arbitrary internal network destinations, revealing which destinations are reachable. With repeated attempts, an attacker may be able to map the internal network.
Advisories

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Fixes

Solution

No solution given by the vendor.


Workaround

Grid Protection Alliance does not recommend production use of published Docker images in any case. The fix for this vulnerability has not been published to the Docker image.

History

Fri, 09 Oct 2026 14:15:00 +0000

Type Values Removed Values Added
Description A Modbus connection feature on openPDC accepts a caller-specified destination address and port with no restriction on which internal hosts may be targeted. An authenticated user can attempt connections to arbitrary internal network destinations, revealing which destinations are reachable. With repeated attempts, an attacker may be able to map the internal network.
Title Grid Protection Alliance openPDC and openHistorian Server-Side Request Forgery (SSRF)
Weaknesses CWE-918
References
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N'}

cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: icscert

Published:

Updated: 2026-10-09T13:55:29.163Z

Reserved: 2026-10-05T16:54:01.628Z

Link: CVE-2026-101022

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-09T14:17:10.157

Modified: 2026-10-09T14:17:10.157

Link: CVE-2026-101022

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses