Remote Code Execution and Information Disclosure Vulnerabilities in HP's HPLIP
CVE-2026-91104

9.3CRITICAL

Key Information:

Vendor

HP

Vendor
CVE Published:
16 September 2026

What is CVE-2026-91104?

HP has identified multiple vulnerabilities within the HPLIP (HP Linux Imaging and Printing) software that could potentially lead to severe security risks. These vulnerabilities can allow malicious actors to execute arbitrary code, escalate privileges, deny service, disclose sensitive information, or make unauthorized modifications to files under specific conditions. Organizations using affected versions of HPLIP are urged to apply the latest updates and patches to mitigate these security risks.

Affected Version(s)

HP Linux Imaging and Printing Software (HPLIP) Linux 0

References

CVSS V4

Score:
9.3
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Calif.io in collaboration with Anthropic
.