CVE-2026-6464: PostgreSQL psql COPY FROM STDIN early failure processes data lines as psql commands

Overview

Severity

High (CVSS 8.1)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Aug

Released

2026-08-14

EPSS Score

0.49% (percentile: 40.3%)

Affected Products (1)

Other

• 21725-17084

Revision History

• 2026-08-14: Information published.