High severity8.8NVD Advisory· Published Nov 12, 2026

CVE-2026-116306

Description

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

PostgreSQL/PostgreSQLllm-fuzzy
Range: <18.7, <17.12, <16.16, <15.20, <14.25

Patches

Vulnerability mechanics

References

www.postgresql.org/support/security/CVE-2026-116306/nvd

News mentions

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