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Vulnerability record · CVE-2026-16238 · published 13 August 2026

CVE-2026-16238: Postgresql type confusion vulnerability

Postgresql · Postgresql

Type confusion in PostgreSQL pg_restore_attribute_stats() allows an object creator to execute arbitrary code as the operating system user running the database, via conflation of range and multirange values. Within major version 18, minor versions before PostgreSQL 18.6 are affected. Versions before PostgreSQL 18 are unaffected.

8.8 CVSS 3.1 High EPSS 0.41% · top 66.8% CWE-843 · Type confusion
8.8CVSS 3.1 base score
0.41%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
29 Aug 2026Last modified by NVD

Description

Type confusion in PostgreSQL pg_restore_attribute_stats() allows an object creator to execute arbitrary code as the operating system user running the database, via conflation of range and multirange values. Within major version 18, minor versions before PostgreSQL 18.6 are affected. Versions before PostgreSQL 18 are unaffected.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.postgresql.org/support/security/CVE-2026-16238/ Vendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2026-16238), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.