What’s Vulnerable › Vulnerabilities

CVE-2026-63227: Unrestricted SCORM file upload vulnerability

• Severity: critical (CVSS 9.9 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-07-29 · updated 2026-07-30
• Weakness: CWE-434

Description

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.

Affected products

• An unrestricted SCORM file upload vulnerability in Koollab LMS allowed an authenticated module designer to upload a SCOR: 5.3.2

References

• https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-094/

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