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CVE-2026-41900

CriticalPublished

OpenLearnX has Critical Remote Code Execution Through Python Sandbox Escape via Code Execution Environment

Published: May 8, 2026
Updated: May 8, 2026
Assigning CNA: GitHub_M
Evidence observed: Aug 26, 2026

Primary CVSS

10.0/ 10Critical

nvd · CVSS 3.1

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

EPSS probability estimate

0.9%

Low · next 30 days

Percentile: 57.9%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

OpenLearnX is an open-source, decentralized learning and assessment platform. Prior to version 2.0.3, a remote code execution (RCE) vulnerability was identified in the OpenLearnX code execution environment, allowing sandbox escape and arbitrary command execution. This issue has been patched in version 2.0.3.

Sources

CVE-2026-41900-POCPoC
Proof-of-concept exploit for CVE-2026-41900, an unauthenticated remote code execution in OpenLearnX via container volume mount, enabling /tmp disclosure and command execution.

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