CVE-2026-14544
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedA flaw was found in HPLIP (HP Linux Imaging and Printing Software). This vulnerability, an incomplete fix for CVE-2026-8631, may allow a remote attacker to escalate privileges or achieve arbitrary code execution. This can occur through an integer overflow in the hpcups processing path when handling specially crafted print data.
In the news
Third-party coverageSurfaced from public web coverage — external links open in a new tab.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · moderate confidenceA critical integer overflow vulnerability exists in HPLIP's hpcups processing path when handling specially crafted print data. This flaw represents an incomplete fix for CVE-2026-8631 and allows remote attackers to achieve privilege escalation or arbitrary code execution on affected systems.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Network
- Complexity
- Low
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Verify HPLIP is installedRun `dpkg -l | grep hplip` (Debian/Ubuntu) or `rpm -qa | grep hplip` (RHEL/CentOS) or check for /opt/hp directoryAffected if No HPLIP package found means not affected
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Determine installed HPLIP versionRun `hp-info --version` or inspect the package version from the dpkg/rpm query aboveAffected if Compare output to the fixed version when available; until then, any installed version should be considered potentially affected if hpcups is in use
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Confirm hpcups component is presentCheck for /usr/lib/cups/backend/hpcups or /usr/libexec/cups/backend/hpcups (path varies by OS)Affected if If hpcups backend file exists, the vulnerable processing path is present
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Verify CUPS print service is activeRun `systemctl status cups` or `service cups status` to check if the print service is runningAffected if If CUPS is not running, the attack surface is significantly reduced
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Check if print services are network-exposedReview CUPS configuration in /etc/cups/cupsd.conf for 'Listen' directives or check with `ss -tlnp | grep 631`Affected if If port 631 (or configured print port) is listening on non-loopback interface, the vulnerability may be remotely exploitable
User is affected if HPLIP with hpcups is installed, CUPS service is running, and the print service is accessible over the network.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataApply the vendor patch immediately upon release. In the interim, restrict network access to printing services and consider disabling HPLIP if not essential, given the critical CVSS score and remote exploitation vector.
- Consultation6.0 h
- Implementation12.0 h
- Testing8.0 h
- Review / QA4.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2026-14544 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2026-14544 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Version or environment caveats, and links to real fixes
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