What is GHSA-jg5w-6q4v-c9r8?

GHSA-jg5w-6q4v-c9r8 is a security advisory published by GitHub Security Advisories with High severity. Type confusion in PostgreSQL composite-value field assignment allows an object creator to execute...

Which CVE IDs does GHSA-jg5w-6q4v-c9r8 cover?

GHSA-jg5w-6q4v-c9r8 covers the following CVE IDs: CVE-2026-116306. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-jg5w-6q4v-c9r8?

GHSA-jg5w-6q4v-c9r8 has a CVSS v3 base score of 8.8, published by GitHub Security Advisories.

GHSA-jg5w-6q4v-c9r8HighCVSS 8.8

Type confusion in PostgreSQL composite-value field assignment allows an object creator to execute...

Vendor

GitHub Security Advisories

Published

November 12, 2026

Last Modified

November 12, 2026

🔗 CVE IDs covered (1)

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.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-116306
https://www.postgresql.org/support/security/CVE-2026-116306
https://github.com/advisories/GHSA-jg5w-6q4v-c9r8