CVE-2026-85479
Medium
Description
The STTP-based data publisher on openPDC accepts network connections without authentication in its default configuration. An unauthenticated network attacker can connect to this interface and exchange data with it.
SeverityMedium
CVSS5.3
Exploit probability—
ProductopenPDC
PublishedOct 9, 2026
First seenOct 9, 2026
Weakness typeCWE-306Missing authentication for critical function
How to fix
Update
- Grid Protection Alliance openPDC2.9.477, 2.9.482 or later
- Grid Protection Alliance openPDC (Docker image)2.9.477, 2.9.482 or later
- Grid Protection Alliance openHistorian2.8.580, 2.8.585 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Grid Protection Alliance openPDC | v < 2.9.477, v < 2.9.482 | 2.9.477, 2.9.482 |
| Grid Protection Alliance openPDC (Docker image) | v < 2.9.477, v < 2.9.482 | 2.9.477, 2.9.482 |
| Grid Protection Alliance openHistorian | v < 2.8.580, v < 2.8.585 | 2.8.580, 2.8.585 |
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