CVE-2026-19589: Packer vulnerable to arbitrary file write via crafted plugin archive during installation

Overview

Severity

High (CVSS 7.1)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Aug

Released

2026-08-20

EPSS Score

0.14% (percentile: 4.2%)

Affected Products (1)

Other

• 21666-17084

Revision History

• 2026-08-20: Information published.