Grid Protection Alliance openPDC and openHistorian Use of Externally-Controlled Input to Select Classes or Code

Summary

CVECVE-2026-104629
StatePUBLISHED
Assignericscert
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-09 14:17:11 UTC
Updated2026-10-09 17:16:45 UTC
DescriptionA component loading mechanism in openPDC and openHistorian will construct and run any specified type, which may be an invalid component to load. An attacker with an authenticated user account and the ability to place a file on the host filesystem can use this to run arbitrary constructor code, and this code runs with the privileges of the affected service account.

Risk And Classification

Primary CVSS: v4.0 7.7 HIGH from [email protected]

CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS: 0.003370000 probability, percentile 0.251220000 (date 2026-10-10)

Problem Types: CWE-470 | CWE-470 CWE-470


VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary7.7HIGHCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/C...
4.0CNACVSS7.7HIGHCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
3.1[email protected]Secondary8.8HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1CNACVSS8.8HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v4.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
Present
Privileges Required
Low
User Interaction
None
Confidentiality
High
Integrity
High
Availability
High
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Grid Protection Alliance OpenPDC affected 2.9.477 custom Not specified
CNA Grid Protection Alliance OpenPDC affected 2.9.482 custom Not specified
CNA Grid Protection Alliance OpenPDC unaffected 2.9.482 Not specified
CNA Grid Protection Alliance OpenPDC Docker Image affected 2.9.477 custom Not specified
CNA Grid Protection Alliance OpenPDC Docker Image affected 2.9.482 custom Not specified
CNA Grid Protection Alliance OpenHistorian affected 2.8.580 custom Not specified
CNA Grid Protection Alliance OpenHistorian affected 2.8.585 custom Not specified
CNA Grid Protection Alliance OpenHistorian unaffected 2.8.585 Not specified

References

ReferenceSourceLinkTags
github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-28... [email protected] github.com
www.cisa.gov/news-events/ics-advisories/icsa-26-281-02 [email protected] www.cisa.gov
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Shubham Raj (Cipher) of Causal Security reported this vulnerability to CISA. (en)

Additional Advisory Data

Solutions

CNA: Grid Protection Alliance has added additional verification and integrity checks of adapters in openPDC version 2.9.477 and later and openHistorian version 2.8.580 and later.

Workarounds

CNA: 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.

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