CVE-2026-91102: HP has identified and remediated multiple externally reported vulnerabilities within HPLIP

Q: How do I fix CVE-2026-91102?

linux imaging and printing: upgrade to 3.26.6. Exact commands for each OS are on this page.

Q: Is CVE-2026-91102 being exploited?

CVE-2026-91102 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-91102 affect?

CVE-2026-91102 affects linux imaging and printing. Severity is critical (CVSS 9.8). 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, inform

Q: How urgent is CVE-2026-91102?

Priority 58/100. Critical severity; Remotely exploitable, no login, no user action; On your watchlist

This month

CRITICAL 9.8REMOTEWATCHLISTUPGRADE

CVE-2026-91102 is a critical-severity flaw (CVSS 9.8) affecting linux imaging and printing. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Critical severity
Remotely exploitable, no login, no user action
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.8% (top 44%)
CISA exploited list	No
Weakness	CWE-78
Published	2026-09-16
Last modified	2026-09-21

Publisher (CNA): HP Inc. · Vendor: hp

Last updated 2026-09-21 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-09-16 19:18 UTCPublished CVE record published
2026-09-21 17:28 UTCUpdated Record last modified

hp linux imaging and printing UPGRADE

Affected: < 3.26.6

Fixed in: 3.26.6

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy linux-imaging-and-printing || rpm -q linux-imaging-and-printing || linux-imaging-and-printing --version

2. UPGRADE to 3.26.6 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade linux-imaging-and-printing

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade linux-imaging-and-printing

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Exact fixes by distribution

Fedora ELN · xfsdump · FIXED · 3.3.0-3.eln159 · FEDORA-2026-6e9bb3f901 · source

sudo dnf upgrade --advisory=FEDORA-2026-6e9bb3f901

Fedora 46 · fio · FIXED · 3.43-2.fc46 · FEDORA-2026-b36219886b · source

sudo dnf upgrade --advisory=FEDORA-2026-b36219886b

Debian 12 · hplip · NO FIX YET

Debian 13 · hplip · NO FIX YET

RHEL 10 · hplip · FIXED · hplip-3.26.6-1.el10_2.3

sudo dnf upgrade --advisory=RHSA-2026:82883 rpm -q hplip

RHEL 8 · hplip · FIXED · hplip-3.26.6-3.el8_10

sudo dnf upgrade --advisory=RHSA-2026:82295 rpm -q hplip

RHEL 9 · hplip · FIXED · hplip-3.26.6-1.el9_8.3

sudo dnf upgrade --advisory=RHSA-2026:82882 rpm -q hplip

RHEL 6 · hplip · DEFERRED

RHEL 7 · hplip · NO FIX YET

Alpine 3.24 · hplip · FIXED · hplip-3.26.6-r0

apk add --upgrade hplip apk info -v hplip

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-91102?

linux imaging and printing: upgrade to 3.26.6. Exact commands for each OS are on this page.

Is CVE-2026-91102 being exploited?

CVE-2026-91102 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-91102 affect?

CVE-2026-91102 affects linux imaging and printing. Severity is critical (CVSS 9.8). 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, inform

How urgent is CVE-2026-91102?

Priority 58/100. Critical severity; Remotely exploitable, no login, no user action; On your watchlist

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References

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