Name: CVE-2026-91100: 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-2026-91100, 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: 6.8 (MEDIUM)
CVSS 4.0 Vector: (CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:H/VA:L/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 libsane-hpaioUpgrade hplip-commonUpgrade hplip	Oct 18, 2026	Oct 14, 2026
Alpine Linux	—	Upgrade hplip	Oct 20, 2026	Sep 16, 2026
Oracle_linux	—	Upgrade hplip-guiUpgrade hplip-libsUpgrade hplip-commonUpgrade hplipUpgrade libsane-hpaio	Oct 22, 2026	Sep 16, 2026
Redhat_linux	—	Upgrade hplipUpgrade libsane-hpaioUpgrade hplip-libsUpgrade hplip-debugsourceUpgrade hplip-commonUpgrade hplip-libs-debuginfoUpgrade libsane-hpaio-debuginfoUpgrade hplip-debuginfoNo solution exists	Sep 21, 2026	Sep 16, 2026
Rocky_linux	—	Upgrade hplipUpgrade hplip-debugsourceUpgrade hplip-libsUpgrade hplip-commonUpgrade libsane-hpaioUpgrade hplip-libs-debuginfoUpgrade libsane-hpaio-debuginfoUpgrade hplip-debuginfo	Oct 19, 2026	Oct 15, 2026

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CVSS Details

Covered by Rapid7

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