CVSS 8.8 (high) · published 2026-11-12
Type confusion in PostgreSQL composite-value field assignment allows an object creator to execute arbitrary code as the operating system user running the database, via changing a composite type between deforming and reforming a value. Versions before PostgreSQL 18.7, 17.12, 16.16, 15.20, and 14.25 are affected.
Weakness: CWE-843
Source: NVD CVE-2026-116306
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