PostgreSQL <18.7 Use-After-Free in portal setup OS RCE
CVE-2026-116332 Published on November 12, 2026
PostgreSQL portal setup use-after-free executes arbitrary code
Use after free in PostgreSQL portal setup allows an object creator to execute arbitrary code as the operating system user running the database, via running user-defined code during planning or executor startup that closes the portal currently being prepared. Versions before PostgreSQL 18.7, 17.12, 16.16, 15.20, and 14.25 are affected.
Vulnerability Analysis
Weakness Type
What is a Dangling pointer Vulnerability?
Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.
CVE-2026-116332 has been classified to as a Dangling pointer vulnerability or weakness.
Products Associated with CVE-2026-116332
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Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.