CVE-2026-15741 PostgreSQL CVE debrief

Who should care

PostgreSQL users, administrators, and developers who use PostgreSQL in their applications should be aware of this vulnerability and take steps to mitigate it. This includes reviewing and updating database configurations, restricting access to sensitive data, and monitoring for suspicious activity. Additionally, security teams and vulnerability management teams should assess their PostgreSQL deployments and plan for upgrades or mitigations as needed.

Technical summary

The CVE record describes a SQL injection vulnerability in PostgreSQL EXTRACT() deparse, which allows an object owner to execute arbitrary SQL as a superuser via a hostile object definition. This affects expression deparse consumers, including pg_dump, psql commands like sf, and similar usage in non-core tools. Versions before PostgreSQL 18.6, 17.11, 16.15, 15.19, and 14.24 are affected. To verify and mitigate this vulnerability, defenders should review the official advisory, assess their PostgreSQL deployments, and plan for upgrades or mitigations as needed. The vulnerability has a CVSS score of 8.8 and is considered HIGH severity.

Defensive priority

PostgreSQL users should prioritize upgrading to patched versions to prevent potential SQL injection attacks.

Recommended defensive actions

• Upgrade to PostgreSQL version 18.6, 17.11, 16.15, 15.19, or 14.24, or later
• Implement compensating controls, such as restricting access to sensitive data and monitoring for suspicious activity
• Review and update database configurations to prevent exploitation
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
• Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance
• Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed
• Check relevant monitoring, detection, and logs for exposed assets that need extra review

Evidence notes

The CVE record indicates a SQL injection vulnerability in PostgreSQL EXTRACT() deparse, allowing an object owner to execute arbitrary SQL as a superuser. Affected versions include PostgreSQL before 18.6, 17.11, 16.15, 15.19, and 14.24. The vulnerability affects expression deparse consumers, including pg_dump, psql commands like sf, and similar usage in non-core tools. To verify and mitigate this vulnerability, defenders should review the official advisory, assess their PostgreSQL deployments, and plan for upgrades or mitigations as needed.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.