Access of Resource Using Incompatible Type ('Type Confusion') Affecting postgresql package, versions [14.0,14.24)[15.0,15.19)[16.0,16.15)[17.0,17.11)[18.0,18.5)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-UNMANAGED-POSTGRESQL-19427863
- published29 Aug 2026
- disclosed13 Aug 2026
- creditUnknown
Introduced: 13 Aug 2026
NewCVE-2026-16239 (opens in a new tab)How to fix?
Upgrade postgresql to version 14.24, 15.19, 16.15, 17.11, 18.5 or higher.
Overview
Affected versions of this package are vulnerable to Access of Resource Using Incompatible Type ('Type Confusion') in the portal lifecycle when a cursor is closed and then re-declared with different types. An attacker can execute arbitrary code as the operating system user running the database by recreating a cursor or portal with mismatched types.