CVE-2026-100730

The Grid Protection Alliance openPDC and openHistorian software products contain a vulnerability in their service console interface. The flaw allows for the deserialization of untrusted data from a client-supplied data structure. On systems without Windows Authentication, an unauthenticated netwo...

PT-2026-108905

A Modbus connection feature on openPDC accepts a caller-specified destination address and port with no restriction on which internal hosts may be targeted. An authenticated user can attempt connections to arbitrary internal network destinations, revealing which destinations are reachable. With...

PT-2026-108912

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...

PT-2026-108906

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, an...

PT-2026-108904

A service console interface on openPDC and openHistorian deserializes a client-supplied data structure. On systems using Windows Authentication, an attacker must already be authenticated to reach this function; on systems without Windows Authentication, this is reachable by an unauthenticated...

PT-2026-108907

The internal data publisher on openPDC accepts network connections without authentication in its default configuration. An unauthenticated network attacker can connect to this interface and retrieve the complete device and measurement topology of the system...