๐Ÿ” CVE Alert

CVE-2026-104629

HIGH 8.8

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

CVSS Score
8.8
EPSS Score
0.0%
EPSS Percentile
0th

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.

CWE CWE-470
Vendor grid protection alliance
Product openpdc
Published Oct 9, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Affected Versions

Grid Protection Alliance / openPDC
0 < 2.9.477 0 < 2.9.482
Grid Protection Alliance / openPDC (Docker image)
0 < 2.9.477 0 < 2.9.482
Grid Protection Alliance / openHistorian
0 < 2.8.580 0 < 2.8.585

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
cisa.gov: https://www.cisa.gov/news-events/ics-advisories/icsa-26-281-02 github.com: https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-281-02.json

Credits

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