CVE-2026-16239 - PostgreSQL type confusion in cursor CLOSE + DECLARE executes arbitrary code

CVE-2026-16239 - PostgreSQL type confusion in cursor CLOSE + DECLARE executes arbitrary code

https://cvefeed.io/rssfeed/latest.atom / Thu, 08/13/2026 - 16:26
CVE ID :CVE-2026-16239
Published : Aug. 13, 2026, 1 p.m. | 28 minutes ago
Description :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.
Severity: 8.8 | HIGH
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