CVE-2026-50737 Detail
Received
This CVE record has recently been published to the CVE List and has been included within the NVD dataset. DescriptionWhen applying replicated changes for a row that is missing one or more columns, pglogical evaluates the affected table's default expressions on the subscriber. Because the apply worker runs at a privilege level equivalent to a PostgreSQL superuser in default installations, any function invoked by such a default expression also runs at that privilege. A party acting as the publisher can use this path to cause functions to be executed on the subscriber as superuser, escalating from a role permitted to use pglogical to full superuser. This is a second, independent path to the same superuser escalation tracked under CVE-2026-50736 (the pglogical queue issue). To exploit the issue an attacker must be able to direct a subscription at an endpoint they control. In default installations this requires privileges normally reserved for a superuser, so the issue is most relevant to managed deployments where the ability to create subscriptions has been delegated to non-superuser roles. Metrics
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CVSS 4.0 Severity and Vector Strings:
CNA: EnterpriseDB Corporation
CVSS-B 9.0 CRITICAL
Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
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Weakness Enumeration
Quick InfoCVE Dictionary Entry:CVE-2026-50737 NVD Published Date: 07/28/2026 NVD Last Modified: 07/28/2026 Source: EnterpriseDB Corporation |
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