High 8.8Published Oct 9, 2026

CVE-2026-104629Grid Protection Alliance openPDC and openHistorian Use of Externally-Controlled Input to Select Classes or Code

Updated under an hour ago (2026-10-19 11:40 UTC)

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It affects Grid Protection Alliance openPDC and 2 other products. Add what you run to find out whether that includes you.

EPSS puts the chance of exploitation in the next 30 days at 0.34%, higher than 26% of scored CVEs.

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Every CVE for Grid Protection Alliance openPDC

Exploited in the last 30 days

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.

CVSS: 8.8 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-470
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): 0.34% (percentile 26)
Assigned by: icscert
NVD analysis: Awaiting Analysis
Record last updated: Oct 9, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Grid Protection Alliance openPDC grid_protection_alliance:openpdc (from the name)	before 2.9.477; before 2.9.482; 2.9.482 not affected	CNA record
Grid Protection Alliance openPDC (Docker image) grid_protection_alliance:openpdc_docker_image (from the name)	before 2.9.477; before 2.9.482	CNA record
Grid Protection Alliance openHistorian grid_protection_alliance:openhistorian (from the name)	before 2.8.580; before 2.8.585; 2.8.585 not affected	CNA record

References

https://www.cisa.gov/news-events/ics-advisories/icsa-26-281-02
https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-281-02.json

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.