Name: CVE-2026-91102: Improper Neutralization of Special Elements used in an OS Command
Creator: Rapid7
Published: 2026-09-16T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-91102, CWE-78, CVSS 9.8, EPSS 0.00723

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.

CVSS Details

CVSS 4.0 Base Score: 8.4 (HIGH)
CVSS 4.0 Vector: (CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X)
CVSS 3.1 Base Score: 9.8
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Alma_linux	—	Upgrade hplip-libsUpgrade hplip-commonUpgrade hplipUpgrade libsane-hpaioUpgrade hplip-gui	Oct 18, 2026	Oct 14, 2026
Alpine Linux	—	Upgrade hplip	Oct 20, 2026	Sep 16, 2026
Oracle_linux	—	Upgrade hplip-libsUpgrade hplip-guiUpgrade libsane-hpaioUpgrade hplipUpgrade hplip-common	Oct 22, 2026	Sep 16, 2026
Redhat_linux	—	Upgrade libsane-hpaio-debuginfoUpgrade libsane-hpaioUpgrade hplip-debugsourceUpgrade hplipUpgrade hplip-guiUpgrade hplip-debuginfoUpgrade hplip-commonNo solution existsUpgrade hplip-libsUpgrade hplip-libs-debuginfo	Sep 18, 2026	Sep 16, 2026
Rocky_linux	—	Upgrade hplip-libs-debuginfoUpgrade hplip-commonUpgrade hplip-debuginfoUpgrade hplip-libsUpgrade hplip-debugsourceUpgrade libsane-hpaioUpgrade hplipUpgrade libsane-hpaio-debuginfo	Oct 19, 2026	Oct 15, 2026

Prioritize with Active Threat Intelligence

With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.

Explore Intelligence Hub

MDR Buyer's Guide

Global Threat Landscape Report

Grow your business

CVSS Details

Covered by Rapid7

Prioritize with Active Threat Intelligence