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PHP CVE-2026-63227

| EUVDEUVD-2026-50122 CRITICAL
Unrestricted Upload of File with Dangerous Type (CWE-434)
2026-07-29 CSA GHSA-m7jm-8gh3-3rp4
9.9
CVSS 3.1 · Vendor: CSA
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Severity by source

Vendor (CSA) PRIMARY
9.9 CRITICAL
AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Primary rating from Vendor (CSA) · only source for this CVE.

CVSS VectorVendor: CSA

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
Jul 29, 2026 - 07:01 vuln.today
CVE Published
Jul 29, 2026 - 06:05 cve.org
CRITICAL 9.9

DescriptionCVE.org

An unrestricted SCORM file upload vulnerability in Koollab LMS allowed an authenticated module designer to upload a SCORM package containing a PHP webshell to a publicly accessible directory and execute arbitrary code on the server.

AnalysisAI

Arbitrary file upload and remote code execution in Koollab LMS allows an authenticated module designer to achieve full server compromise by uploading a malicious SCORM package containing a PHP webshell. The uploaded file is placed in a publicly accessible directory, enabling the attacker to execute arbitrary commands on the underlying server. No evidence of active exploitation or public exploit code exists at this time, but the CVSS score of 9.9 reflects critical severity.

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CVE-2026-63227 vulnerability details – vuln.today

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