8.8
HIGH CVSS 3.1
CVE-2026-116304
PostgreSQL parallel RECORD typmod use-after-free executes arbitrary code
Description

Use after free in PostgreSQL coordination of anonymous RECORD type identifiers among parallel workers allows a database user to execute arbitrary code as the operating system user running the database, via causing one process to free a shared tuple descriptor while another process retains and later uses its address. Versions before PostgreSQL 18.7, 17.12, 16.16, 15.20, and 14.25 are affected.

INFO

Published Date :

Nov. 12, 2026, 2:15 p.m.

Last Modified :

Nov. 12, 2026, 2:15 p.m.

Remotely Exploit :

Yes !

Source :

PostgreSQL
Affected Products

The following products are affected by CVE-2026-116304 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Postgresql postgresql
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH f86ef6dc-4d3a-42ad-8f28-e6d5547a5007
CVSS 3.1 HIGH MITRE-CVE
Solution
Update PostgreSQL to patched versions to fix memory corruption vulnerability.
  • Update PostgreSQL to version 18.7 or later.
  • Update PostgreSQL to version 17.12 or later.
  • Update PostgreSQL to version 16.16 or later.
  • Update PostgreSQL to version 15.20 or later.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-116304 vulnerability anywhere in the article.

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.