CVE-2026-91102 HP Linux Imaging and Printing (HPLIP) Software– Multiple Vulnerabilities

High 8.4 Published 16 Sep 2026 Updated 18 Sep 2026

Attackers can exploit command injection flaws in HPLIP to execute code, escalate privileges, or cause denial of service on Linux systems.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: Available

What is CVE-2026-91102?

CVE-2026-91102 is a high-severity command injection vulnerability in HP Linux Imaging and Printing Software (HPLIP), published on 16 Sep 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official 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.

Weakness: CWE-78

Which versions are affected by CVE-2026-91102?

It affects 1 product.

Products include Hp Linux Imaging and Printing.

How do I fix CVE-2026-91102?

Apply the vendor's patch.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2026-91102 being exploited?

There is no known exploitation of CVE-2026-91102 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2026-91102, GHSA-8j52-r29c-rv2m, UBUNTU-CVE-2026-91102.