Critical severity · published Sep 16, 2026
CVE-2026-91103
HP Linux Imaging and Printing (HPLIP) Software– Multiple Vulnerabilities
9.8
CVSS
1%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 62% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HL
HP Linux Imaging and Printing Software (HPLIP) · HP Inc.
before 3.26.6 · source: vendor
LI
Linux Imaging And Printing · HP
before 3.26.6 · source: NVD
Affected product
HL
HP Linux Imaging and Printing Software (HPLIP)
HP Inc.
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-91103
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-91103
Vendor Advisory
https://support.hp.com/us-en/document/ish_15646959-15646984-16/hpsbpi04151
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