PostgreSQL: Arbitrary code execution via plpgsql record-field type confusion (CVE-2026-120151)
A type confusion vulnerability in PostgreSQL plpgsql record-field assignment allows an object creator to execute arbitrary code as the operating system user running the database.
CVE search metadata
CVE search record: CVE-2026-120151. Severity: high. CVSS: 8.8. KEV: no. Product: PostgreSQL. Brief: PostgreSQL: Arbitrary code execution via plpgsql record-field type confusion (CVE-2026-120151). Brief link: https://feed.craftedsignal.io/briefs/2026-11-postgresql-type-confusion-cve-2026-120151/
Triage facts
Revision 1- Applicability
- PostgreSQL
- Evidence
- Unknown
- Severity
- High
- Sources
- 1 public source
- Freshness
- Revision 1Nov 12, 16:58 UTC
- Vulnerabilities
- 1 CVE
- Source quality
- A2Roughly even chance
CVE-2026-120151 describes a type confusion vulnerability in the PostgreSQL plpgsql language implementation. An object creator can execute arbitrary code as the operating system user running the database via a reentrant domain CHECK that changes a RECORD variable's row type while a value is being cast.