CVE-2026-104629: high-severity vulnerability in Grid Protection Alliance openPDC
Grid Protection Alliance openPDC and openHistorian Use of Externally-Controlled Input to Select Classes or Code
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.7epss 0.3%
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:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/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-2026-105281HIGHGrid Protection Alliance openPDC and openHistorian Missing Authentication for Critical FunctionEPSS 0.3%CVE-2026-85479MEDIUMGrid 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%