CVE-2026-14673 LOW

CVE-2026-14673: PostgreSQL amcheck does not clear untrusted search path

Vendor N/A
Product PostgreSQL
Weakness CWE-426
Published August 13, 2026
Last update August 13, 2026

CVSS base score

3.8/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality Low
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Untrusted search path in PostgreSQL amcheck allows a grantee of amcheck function EXECUTE privilege to execute arbitrary functions as the owners of expression indexes that depend on the search path, via setting a hostile search path before calling the amcheck function. Within major versions 18, 16, 15, and 14, minor versions before PostgreSQL 18.5, 16.15, 15.19, and 14.24 are affected. PostgreSQL 17 is unaffected.

Key dates

02Disclosure timeline

August 13, 2026 CVE published
August 13, 2026 Record updated