What is the CVSS score of CVE-2026-1997?

CVE-2026-1997 has a CVSS 3.1 base score of 5.3 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N. EPSS exploitation probability: 0.0%.

How to fix or mitigate CVE-2026-1997?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

D9l18a Firmware CVE-2026-1997

MEDIUM

Origin Validation Error (CWE-346)

2026-02-10 hp-security-alert@hp.com

CSRF HP D9l18a Firmware D9l20a Firmware D9l21a Firmware D9l63a Firmware D9l64a Firmware G5j38a Firmware G5j56a Firmware J3p65a Firmware J3p66a Firmware J3p67a Firmware J3p68a Firmware J6x76a Firmware J6x77a Firmware J6x78a Firmware J6x79a Firmware J6x80a Firmware J6x81a Firmware J6x83a Firmware K7s32a Firmware K7s37a Firmware K7s38a Firmware K7s39a Firmware K7s40a Firmware K7s41a Firmware K7s42a Firmware K7s43a Firmware L3t99a Firmware M9l65a Firmware M9l66a Firmware M9l67a Firmware M9l70a Firmware T0g46a Firmware T0g47a Firmware T0g48a Firmware T0g49a Firmware T0g56a Firmware T0g65a Firmware T0g70a Firmware T1p99a Firmware Y0s18a Firmware Y0s19a Firmware

5.3

CVSS 3.1 · NVD

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Vulnerability Assessment

Weakness	CWE CWE-346 OWASP Top 10:2025 A07:2025 - Authentication Failures ASVS 5.0 V6 - Authentication Origin validation
Impact	CVSS 5.3 (MEDIUM). Attack vector: Network. Complexity: Low. Privileges required: None. User interaction: None. Exploitation no authentication required.
Exploit ScenarioDerived	An attacker without authentication could exploit this vulnerability to compromise the affected system.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).

No patch listed yet 0.0% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 12, 2026

HP OfficeJet Pro printers (D9l18a, D9l20a, D9l21a, D9l63a firmware) are vulnerable to information disclosure through CORS misconfiguration when administrators enable the feature on the Embedded Web Server. An unauthenticated remote attacker can exploit this to access sensitive device resources from untrusted web origins. CORS remains disabled by default as a mitigation, but organizations that have explicitly enabled it should apply patches when available.

Earlier versions of this analysis (1)

v1 Mar 12, 2026 - 22:02 CVSS 5.3

Certain HP OfficeJet Pro printers may expose information if Cross‑Origin Resource Sharing (CORS) is misconfigured, potentially allowing unauthorized web origins to access device resource. [CVSS 5.3 MEDIUM]

RemediationAI

Monitor vendor advisories for a patch. Restrict network access to the affected service where possible.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

Classified as CWE-346 (Origin Validation Error). Affects M9L65A Firmware. Certain HP OfficeJet Pro printers may expose information if Cross‑Origin Resource Sharing (CORS) is misconfigured, potentially allowing unauthorized web origins to access device resource.

CORS is disabled by default on Pro‑class devices and can only be enabled by an administrator through the Embedded Web Server (EWS). Keeping CORS disabled unless explicitly required helps ensure that only trusted solutions can interact with the device.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 5.3 MEDIUM

AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

DescriptionCVE.org

Certain HP OfficeJet Pro printers may expose information if Cross‑Origin Resource Sharing (CORS) is misconfigured, potentially allowing unauthorized web origins to access device resource.

Executive ViewAI

Why It Matters

CVE-2026-1997 presents moderate security risk rated CVSS 5.3. Exploitation could compromise the security of affected deployments. Organizations should apply vendor updates when available and monitor for exploitation.

Business Impact: Low

Compensating Controls

Apply vendor patch. If patching is delayed: restrict network access and enable monitoring.

Threat Intelligence Overview

EPSS Score

0.0%

Top 100% exploitable

Data Quality

3 sources

Confidence: Low

NVD

CVE.org

EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity MEDIUM

CISA KEV No

Public POC No

EPSS 0.0%

Patch available No

Active threat No

Deciding rule

MEDIUM severity (CVSS 4.0-6.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Scheduled

Exploitation· derived

None

System Exposure· derived

Open

Automatable· derived

Yes

Human Impact

Low

Priority Score

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +26

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Cross-Site Request Forgery MEDIUM

Cross-Site Request Forgery exploits the automatic credential inclusion behavior of web browsers.

Affected Products (CPE)CVE.org

cpe:2.3:o:hp:m9l65a_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:hp:d9l20a_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:hp:k7s32a_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:hp:d9l21a_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:hp:k7s42a_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:hp:t0g65a_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:hp:k7s39a_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:hp:j6x83a_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:hp:k7s43a_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:hp:k7s40a_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:hp:k7s41a_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:hp:t0g56a_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:hp:d9l63a_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:hp:d9l64a_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:hp:j3p65a_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:hp:j3p66a_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:hp:j3p67a_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:hp:j3p68a_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:hp:t0g70a_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:hp:g5j38a_firmware:*:*:*:*:*:*:*:*

+ 21 more

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References

Advisories & patches

ADVISORY https://support.hp.com/us-en/document/ish_14051823-14051849-16/hpsbpi04086

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