What is the CVSS score of CVE-2026-3817?

CVE-2026-3817 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%.

Which versions of PHP are affected by CVE-2026-3817?

Organizations using A vulnerability should be aware of moderate risk from CVE-2026-3817 rated CVSS 5.3. Exploitation could compromise the security of affected deployments.

Is there a public PoC exploit available for CVE-2026-3817?

Yes, a public proof-of-concept exploit is available for CVE-2026-3817. Prioritise patching immediately. EPSS: 0.0%.

PHP CVE-2026-3817

MEDIUM

Incorrect Privilege Assignment (CWE-266)

2026-03-09 cna@vuldb.com

PHP Patients Waiting Area Queue Management System

5.3

CVSS 3.1 · NVD

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

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:56 vuln.today

PoC Detected

Mar 09, 2026 - 15:03 vuln.today

Public exploit code

CVE Published

Mar 09, 2026 - 12:16 nvd

MEDIUM 5.3

DescriptionCVE.org

A vulnerability was detected in SourceCodester Patients Waiting Area Queue Management System 1.0. This issue affects some unknown processing of the file /patient-search.php. The manipulation results in improper authorization. The attack can be launched remotely. The exploit is now public and may be used.

AnalysisAI

Patients Waiting Area Queue Management System versions up to 1.0 contains a security vulnerability (CVSS 5.3).

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Risk Assessment	CVSS 5.3 (MEDIUM). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario	A remote attacker could exploit this flaw, improper authorization.
Remediation	Monitor vendor advisories for a patch. … Detailed patch versions, workarounds, and compensating controls in full report.

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Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. …

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CVE-2026-3817 vulnerability details – vuln.today

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PHP CVE-2026-3817

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

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External POC / Exploit Code