Is there a public PoC exploit available for CVE-2026-5546?

Yes, a public proof-of-concept exploit is available for CVE-2026-5546. Prioritise patching immediately. EPSS: 0.0%.

PHP CVE-2026-5546

Q: What is the CVSS score of CVE-2026-5546?

CVE-2026-5546 has a CVSS 4.0 base score of 2.1 (Low). CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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. EPSS exploitation probability: 0.0%.

EUVD-2026-19040 LOW

Unrestricted Upload of File with Dangerous Type (CWE-434)

2026-04-05 VulDB

GHSA-hmqj-h9pm-wq53

PHP File Upload

2.1

CVSS 4.0

CVSS VectorNVD

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Lifecycle Timeline

Severity Changed

Apr 29, 2026 - 01:11 NVD

MEDIUM LOW

CVSS changed

Apr 29, 2026 - 01:11 NVD

5.3 (MEDIUM) 2.1 (LOW)

PoC Detected

Apr 07, 2026 - 13:20 vuln.today

Public exploit code

EUVD ID Assigned

Apr 05, 2026 - 06:45 euvd

EUVD-2026-19040

Analysis Generated

Apr 05, 2026 - 06:45 vuln.today

CVE Published

Apr 05, 2026 - 06:00 nvd

MEDIUM 5.3

DescriptionNVD

A flaw has been found in Campcodes Complete Online Learning Management System 1.0. This impacts the function add_lesson of the file /application/models/Crud_model.php. This manipulation causes unrestricted upload. It is possible to initiate the attack remotely. The exploit has been published and may be used.

AnalysisAI

Unrestricted file upload in Campcodes Complete Online Learning Management System 1.0 allows authenticated remote attackers to upload arbitrary files via the add_lesson function in /application/models/Crud_model.php, enabling potential remote code execution or malware deployment. The vulnerability requires low-privilege authentication, carries a CVSS score of 6.3 (medium), and publicly available exploit code exists.

Analysis

Detailed AI-generated intelligence summary covering attack vector, impact assessment, affected versions, remediation steps, and indicators of compromise.

POChttps://••••••••••.com/exploit

PATCHhttps://••••••••••.com/patch

ADVISORYhttps://••••••••••.com/advisory

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CVE-2026-5546 vulnerability details – vuln.today

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