CVE-2026-88834: Busybox: busybox: httpd user existence oracle in non-default shadow-disabled builds

Overview

Severity

Low (CVSS 3.7)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Oct

Released

2026-10-17

Last Updated

2026-10-19

EPSS Score

0.22% (percentile: 11.6%)

Affected Products (1)

Other

• 21821-17084

Revision History

• 2026-10-17: Information published.
• 2026-10-19: Information published.