CVE-2026-88829: Busybox: busybox: http request smuggling via pipelined requests in httpd reverse proxy

Overview

Severity

High (CVSS 7.2)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Oct

Released

2026-10-21

EPSS Score

0.32% (percentile: 23.2%)

Affected Products (1)

Other

• 21821-17084

Revision History

• 2026-10-21: Information published.