CVE-2026-120141NVD

Vulnerability Summary

Type confusion in PostgreSQL materialized set-returning functions allows a database user to execute arbitrary code as the operating system user running the database, via returning rows having different dynamic RECORD return types. json_populate_recordset() is one affected function. Versions before PostgreSQL 18.7, 17.12, 16.16, 15.20, and 14.25 are affected.

Severity Level

HIGH(8.8)

Published Date

Nov 12, 2026

Last Modified

Nov 12, 2026

Exploitation Status

No confirmed exploitation yet

EPSS Score (30-Day)

Data Pending

Root Weakness (CWE)

CWE-843: Unknown/Unlisted Weakness ↗

Refer to the official MITRE database for detailed architectural specifications regarding this weakness.

CVSS v3.1 Base Metrics — Score 8.8 (HIGH)

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

Affected & Patched Versions

Affected Versions

Not provided by NVD for this CVE.

Patched Versions

Not provided by NVD for this CVE.

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