Is CVE-2026-90782 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-90782?

CVE-2026-90782 has a CVSS v3 severity of MEDIUM (5.3).

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CVE-2026-90782

Description

S2OPC through 1.7.3 contains a null pointer dereference in msg_subscription_publish_bs__alloc_notification_message_items() where a failed allocation for DataChangeNotification is overwritten by a successful allocation for EventNotificationList. Attackers can trigger heap allocation failures on sessions with both data-change and event notifications to cause the server process to terminate.