CVE-2026-2004highCWE-1287

PostgreSQL intarray missing validation of type of input to selectivity estimator executes arbitrary code

21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 8.8epss 0.8%

exploitation probability

0.8%top 47% of all CVEs

observed exploitation

nono source reports it

Missing validation of type of input in PostgreSQL intarray extension selectivity estimator function allows an object creator to execute arbitrary code as the operating system user running the database. Versions before PostgreSQL 18.2, 17.8, 16.12, 15.16, and 14.21 are affected.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

n/a · PostgreSQL

References