openHistorian vulnerabilities
CVEs whose affected-version data names the openHistorian package. Each record lists the affected and patched versions; check a specific version with the dependency checker or POST /api/sbom.
5 CVEsRSS
CVE-2026-85479Medium· 5.3The STTP-based data publisher on openPDC accepts network connections without authentication in its default configuration
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.
CVE-2026-105281High· 7.5The internal data publisher on openPDC accepts network connections without authentication in its default configuration
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 to…
CVE-2026-104629High· 8.8A component loading mechanism in openPDC and openHistorian will construct and run any specified type, which may be an invalid component to load
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 f…
CVE-2026-101022Medium· 4.3A Modbus connection feature on openPDC accepts a caller-specified destination address and port with no restriction on which internal hosts may be targeted
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 desti…
CVE-2026-100730Critical· 9.8A service console interface on openPDC and openHistorian deserializes a client-supplied data structure
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…