What is GHSA-xjmm-59mp-3mvc?

GHSA-xjmm-59mp-3mvc is a security advisory published by GitHub Security Advisories with High severity. Type confusion in PostgreSQL extended statistics allows an object creator to execute arbitrary...

Which CVE IDs does GHSA-xjmm-59mp-3mvc cover?

GHSA-xjmm-59mp-3mvc covers the following CVE IDs: CVE-2026-120148. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-xjmm-59mp-3mvc?

GHSA-xjmm-59mp-3mvc has a CVSS v3 base score of 8.1, published by GitHub Security Advisories.

GHSA-xjmm-59mp-3mvcHighCVSS 8.1

Type confusion in PostgreSQL extended statistics allows an object creator to execute arbitrary...

Vendor

GitHub Security Advisories

Published

November 12, 2026

Last Modified

November 12, 2026

🔗 CVE IDs covered (1)

CVE-2026-120148 →

📋 Description

Type confusion in PostgreSQL extended statistics allows an object creator to execute arbitrary code as the operating system user running the database, via a statistics expression of an anonymous RECORD type whose backend-local type identifier denotes a different row type in another session. Versions before PostgreSQL 18.7, 17.12, 16.16, 15.20, and 14.25 are affected.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-120148
https://www.postgresql.org/support/security/CVE-2026-120148
https://github.com/advisories/GHSA-xjmm-59mp-3mvc