Vulnocalypse
Back to feed
40impact

PostgreSQL type confusion in cursor CLOSE + DECLARE executes arbitrary code

PostgreSQL · CVE-2026-16239
0 news outlets0 CERTs and agencies0 researchers

What is it?

Type confusion in PostgreSQL "portal"/cursor lifecycle allows a user to execute arbitrary code as the operating system user running the database, via re-creation of a cursor or other portal with different types. Versions before PostgreSQL 18.6, 17.11, 16.15, 15.19, and 14.24 are affected.

Evidence

No coverage recorded yet.

Exploitation

  • Public proof of concept
  • Exploited in the wild
  • Listed as known exploited
CVSS
8.8
EPSS
0.7%
First seen
7 d ago
Status
corroborated

All PostgreSQL vulnerabilities