CVE-2026-16239 Affecting libpq-14 package, versions <14.24-r0
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.
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Test your applications- Snyk IDSNYK-MINIMOSLATEST-LIBPQ14-19008002
- published20 Aug 2026
- disclosed13 Aug 2026
Introduced: 13 Aug 2026
NewCVE-2026-16239 (opens in a new tab)How to fix?
Upgrade Minimos:latest libpq-14 to version 14.24-r0 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream libpq-14 package and not the libpq-14 package as distributed by Minimos.
See How to fix? for Minimos:latest relevant fixed versions and status.
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 18.5, 17.11, 16.15, 15.19, and 14.24 are affected.