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Weekly Signal
Live intelligence Updated 21 Aug 2026 · 22:12 UTC

Hp · Linux Imaging And Printing

CVE-2026-8631

A potential security vulnerability has been identified in the HP Linux Imaging and Printing Software. This potential vulnerability may allow escala...

Recommended action

Handle this through the normal risk-based patching cycle while monitoring for change. Red Hat Security advisory RHSA-2026:26228

View response plan
CVSS9.3
EPSS1.8%
KEVNo
ExploitationNone
RemediationNot yet verified ↓

Assessment

Why it matters

EPSS is 1.8%; technical severity is CVSS 9.3.

A potential security vulnerability has been identified in the HP Linux Imaging and Printing Software. This potential vulnerability may allow escalation of privileges and/or arbitrary code execution via an integer overflow in the hpcups processing path when handling crafted print data.

Who should care

  • Teams operating Linux Imaging And Printing
  • Vulnerability and exposure management teams
  • Security operations teams monitoring exploitation activity

Response plan

What I would do

  1. Confirm whether Linux Imaging And Printing is present in the environment.
  2. Identify affected versions and establish whether vulnerable services are exposed or reachable.
  3. Red Hat Security advisory RHSA-2026:26228
  4. Review relevant security telemetry for evidence of attempted or successful exploitation.
  5. Document the remediation decision and track it to verified completion.

Treatment intelligence

Remediation intelligence

Not yet verified

Vendor sources are listed before government and third-party guidance. Confirm product applicability and change prerequisites before deployment.

Verification noteAutomated link verification has not completed for this guidance yet.

Advisory

Technical details

CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/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
CWE
CWE-122
Affected versions
Hp Linux Imaging And Printing (End Excluding 3.26.4)
Fixed versions
Hp Linux Imaging And Printing (Fixed from 3.26.4)
Published
20 May 2026
Attack vector
Network
Privileges required
None
User interaction
None

Signal timeline

  1. CVE published
  2. Latest EPSS score: 1.8%
  3. Signal calculated at 15

External references

Live public intelligence This assessment combines public-source evidence. Validate the affected product, version and exposure against your own environment before making a risk decision.