CVE-2026-104629

HIGHCVSS 8.8/10

Last modified

CVE-2026-104629 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. A 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..

Description

A 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.

Metrics

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
Grid Protection AllianceopenPDC< 2.9.477; < 2.9.482
Grid Protection AllianceopenPDC (Docker image)< 2.9.477; < 2.9.482
Grid Protection AllianceopenHistorian< 2.8.580; < 2.8.585

References

Timeline

Published
Last Modified
Status
Awaiting Analysis

Frequently Asked Questions

What is CVE-2026-104629?
A 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.
How severe is CVE-2026-104629?
CVE-2026-104629 has a CVSS score of 8.8/10 (HIGH severity).
How do I fix CVE-2026-104629?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST