CVE-2026-91103: HP Linux Imaging And Printing

Critical severity, CVSS 9.8. EPSS: 1% chance of exploitation in the next 30 days.

HP has identified and remediated multiple externally reported vulnerabilities within HPLIP. The findings affect several software components that could potentially enable remote code execution, privilege escalation, denial of service, information disclosure, or unauthorized file modification under certain conditions.

Affected products

• HP Linux Imaging And Printing: before 3.26.6 (fixed in 3.26.6)

Published 2026-09-16. Last modified 2026-09-21.