# 22-Year-Old PostgreSQL Bug Turned into Remote Code Execution

Source: [Hacker News: Front Page](https://mehmetince.net/part-3-6-how-i-ended-up-turning-a-22-year-old-postgresql-type-confusion-primitive-into-rce-cve-2026-6460/) · 2026-11-12 · Community
Page: https://themorning.dev/story/22-year-old-postgresql-bug-turned-into-remote-code-execution-79cc734014804ee3
Kind: security · Impact: high

## In brief

- A 22-year-old type confusion bug in PostgreSQL's composite-type handling has been turned into remote code execution.
- The write-up is tracked as CVE-2026-6460 and an exploit for it has been published.
- Sources do not state a patched version or a CVSS score.

## Why it matters

Developers running PostgreSQL may face a remote code execution risk, and the public exploit lowers the effort needed to attack unpatched servers.

## CVEs

- CVE-2026-6460

## Coverage

- [22-Year-Old PostgreSQL Bug Turned into Remote Code Execution](https://mehmetince.net/part-3-6-how-i-ended-up-turning-a-22-year-old-postgresql-type-confusion-primitive-into-rce-cve-2026-6460/) — Hacker News: Front Page, 2026-11-12
- [exploit a 22 years old PostgreSQL composite-type vulnerability](https://www.reddit.com/r/programming/comments/1xuk4d5/exploit_a_22_years_old_postgresql_compositetype/) — top scoring links : programming, 2026-11-12

Tags: postgresql, security, rce, vulnerability, exploit

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Brief generated by AI (claude-haiku-5-5) from the reporting listed under Coverage. Headlines belong to their publishers. The Morning Dev – https://themorning.dev