CVE-2026-85479

MEDIUMCVSS 5.3/10EPSS 0.25%

Last modified

CVE-2026-85479 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. 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.. EPSS estimates a 0.25% chance of exploitation in the next 30 days.

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.

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-2026-85479?
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.
How severe is CVE-2026-85479?
CVE-2026-85479 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.25% probability of exploitation in the next 30 days.
How do I fix CVE-2026-85479?
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