CVE-2026-85479: medium-severity vulnerability in Grid Protection Alliance openPDC
Grid Protection Alliance openPDC and openHistorian Missing Authentication for Critical Function
Published · Updated
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13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.9epss 0.3%
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.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Affected products
Grid Protection Alliance · openHistorianGrid Protection Alliance · openPDCGrid Protection Alliance · openPDC (Docker image)Related CVEs — Grid Protection Alliance openPDC
In the same product, most dangerous first.
CVE-2026-100730CRITICALGrid Protection Alliance openPDC and openHistorian Deserialization of Untrusted DataEPSS 0.6%CVE-2026-105278CRITICALGrid Protection Alliance openPDC (Docker image) Use of Hard-coded CredentialsEPSS 0.3%CVE-2026-104629HIGHGrid Protection Alliance openPDC and openHistorian Use of Externally-Controlled Input to Select Classes or CodeEPSS 0.3%CVE-2026-105281HIGHGrid Protection Alliance openPDC and openHistorian Missing Authentication for Critical FunctionEPSS 0.3%CVE-2026-101022MEDIUMGrid Protection Alliance openPDC and openHistorian Server-Side Request Forgery (SSRF)EPSS 0.2%