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CVE-2026-91099

9.8 · CRITICAL

HP has identified and remediated multiple externally reported vulnerabilities within HPLIP.

Published Sep 16, 2026hpCWE-61EPSS 0.98%

Overview

CVE-2026-91099 is a critical-severity vulnerability affecting hp linux_imaging_and_printing. It was published on September 16, 2026 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories and patches from hp. Update linux_imaging_and_printing to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
hplinux_imaging_and_printing>= 0, < 3.26.6Affected

References

Refsupport.hp.com/us-en/document/ish_15646959-15646984-16/hpsbpi04151

How CyberStrike helps

Frequently asked questions

What is CVE-2026-91099?

CVE-2026-91099 is a critical-severity vulnerability affecting hp linux_imaging_and_printing. It was published on September 16, 2026 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2026-91099?

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-91099?

Check the references section for vendor advisories and patches from hp. Update linux_imaging_and_printing to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-91099?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-91099 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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