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Microsoft Security Response CenterCVE-2026-120154

PostgreSQL INSERT ... ON CONFLICT can read rows despite row security policies

MediumVendor CVSS 4.3 / 10 1 CVE Published Nov 13, 2026 at 8:38 PM UTC

Summary

Mariner

Products covered

  • azl4 postgresql16 16.15-5.azl4 on Azure Linux 4.0

  • azl4 postgresql17 17.11-5.azl4 on Azure Linux 4.0

  • azl4 postgresql18 18.6-5.azl4 on Azure Linux 4.0

  • azl3 postgresql 16.15-1 on Azure Linux 3.0

Remediation

Release Notes

CVEs in this advisory 1

Updates

  1. Published by Microsoft Security Response Center

    The publication date reported by the vendor.

  2. Updated by Microsoft Security Response Center

    The vendor changed the advisory after it was first published.

  3. Added to SecurityAlert

    We collected the advisory from the official source.