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No exploitation reportedFix available

CVE-2026-91105

No exploitation reported by the sources we read.

  • Published2026-09-16
  • Fixed in3.26.6
  • WeaknessCWE-122

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2026-09-1619:18CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2026-91105?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2026-91105?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Hp linux imaging and printing
BranchAffectedFixed in
3.26< 3.26.63.26.6

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • hplipAlmaLinux:10all versions · fixed in 3.26.6-1.el10_2.3and 3 other packages
  • hplipAlmaLinux:9all versions · fixed in 3.26.6-1.el9_8.3and 3 other packages
  • hplipAlmaLinux:8all versions · fixed in 3.26.6-3.el8_10and 4 other packages

Vendor advisories

  • CVE-2026-91105 Red Hat Product Security28 products fixed · 19 known affected

    hplip: HPLIP: Remote code execution and privilege escalation vulnerabilities

    hpijs as a component of Red Hat Enterprise Linux 6 · hplip as a component of Red Hat Enterprise Linux 6 · hplip-common as a component of Red Hat Enterprise Linux 6 · +16 more

  • RHSA-2026:82882 Red Hat Product Security15 products fixed

    Red Hat Security Advisory: hplip security, bug fix, and enhancement update

  • RHSA-2026:82883 Red Hat Product Security13 products fixed

    Red Hat Security Advisory: hplip security, bug fix, and enhancement update

Full record on NVD

Fix

  1. Update Hp linux imaging and printing to 3.26.6
  2. Vendor fix Red Hat Product Security RHSA-2026:82882 · 15 productsFor details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
  3. Workaround from the vendor Red Hat Product Security RHSA-2026:82882 · 40 productsMitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
  4. No fix available, says the vendor Red Hat Product Security CVE-2026-91105 · 12 productsAffected
  5. No fix planned, says the vendor Red Hat Product Security CVE-2026-91105 · 7 productsOut of support scope

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub

Sources

  • CISA-ADPSSVC decisionnone2026-09-17
  • OpenCVESSVC decisionnone—
  • CNACVSS 4.08.6read 2026-10-23
  • NVDCVSS 3.19.8read 2026-10-23
  • CNAweakness (CWE)CWE-122read 2026-10-23
  • FIRST EPSSEPSS score1.0 %2026-10-23
  • OSVaffected packages—

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 4.0 vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Published
2026-09-16
Last Modified
2026-09-21
NVD status
Analyzed

Frequently asked questions

What is CVE-2026-91105?

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.

Is CVE-2026-91105 actively exploited?

Active exploitation of CVE-2026-91105 has not been confirmed. Its EPSS score was 1.0% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-91105?

CVE-2026-91105 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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