RCE in Th30d4y Openlearnx

CVE-2026-41900

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.

Vulnerability class: Command Injection (OS Command Injection)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.011 (65.1th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 65.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-41900: held from 0.009 to 0.011.

EPSS over last 30 days · oldest: 0.009 · newest: 0.011 · change: +0.002

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2026-41900?
CVE-2026-41900 is a high-severity vulnerability in Th30d4y Openlearnx, classified under OS Command Injection. CVSS score: 8.8/10. Published 2026-05-08.
How severe is CVE-2026-41900?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2026-41900 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.