CVE-2026-55453: CUPS ipp backend status-line injection can update queue PPD and lead to conditional RCE as lp via foomatic-rip

Overview

Severity

Low (CVSS 3.3)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Oct

Released

2026-10-17

EPSS Score

0.18% (percentile: 7.2%)

Affected Products (1)

Other

• 21869-17084

Revision History

• 2026-10-17: Information published.