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CVE-2026-91101— HP Linux Imaging and Printing (HPLIP) Software– Multiple Vulnerabilities

Quick assessment

Affected
HP Inc. HP Linux Imaging and Printing Software (HPLIP)
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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

CVSS 5.1 · Medium

Affected Version Matrix 1

VendorProduct Version RangeStatus
HP Inc. HP Linux Imaging and Printing Software (HPLIP) < 3.26.6 affected
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I. Basic Information for CVE-2026-91101

Vulnerability Information

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Vulnerability Title
HP Linux Imaging and Printing (HPLIP) Software– Multiple Vulnerabilities
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
对数组索引的验证不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
HP Inc. HP Linux Imaging and Printing Software (HPLIP) 0 ~ 3.26.6 -

II. Public POCs for CVE-2026-91101

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III. Intelligence Information for CVE-2026-91101

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Other References for CVE-2026-91101 (1)

Same Patch Batch · HP Inc. · 2026-09-16 · 10 CVEs total

CVE-2026-91106 9.3 CRITICAL HP Linux Imaging and Printing (HPLIP) Software– Multiple Vulnerabilities
CVE-2026-91104 9.3 CRITICAL HP Linux Imaging and Printing (HPLIP) Software– Multiple Vulnerabilities
CVE-2026-91098 8.6 HIGH HP Linux Imaging and Printing (HPLIP) Software– Multiple Vulnerabilities
CVE-2026-91105 8.6 HIGH HP Linux Imaging and Printing (HPLIP) Software– Multiple Vulnerabilities
CVE-2026-91102 8.4 HIGH HP Linux Imaging and Printing (HPLIP) Software– Multiple Vulnerabilities
CVE-2026-91097 7.0 HIGH HP Linux Imaging and Printing (HPLIP) Software– Multiple Vulnerabilities
CVE-2026-91100 6.8 MEDIUM HP Linux Imaging and Printing (HPLIP) Software– Multiple Vulnerabilities
CVE-2026-91099 5.1 MEDIUM HP Linux Imaging and Printing (HPLIP) Software– Multiple Vulnerabilities
CVE-2026-91103 5.1 MEDIUM HP Linux Imaging and Printing (HPLIP) Software– Multiple Vulnerabilities

IV. Related Vulnerabilities

Same product: HP Linux Imaging and Printing Software (HPLIP)
Same vendor: HP Inc.
Same weakness: CWE-129

V. Comments for CVE-2026-91101

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