CVE-2026-41900 OpenLearnX has Critical Remote Code Execution Through Python Sandbox Escape via Code Execution Environment
Attackers can escape the Python sandbox to execute arbitrary commands remotely on OpenLearnX deployments.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-41900?
CVE-2026-41900 is a high-severity code injection vulnerability in th30d4y OpenLearnX, published on 8 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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.
Which versions are affected by CVE-2026-41900?
2 open source packages ship an affected version, including openlearnx. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
openlearnx npm | All versions | 2.0.3 |
openlearnx npm | All versions | 2.0.3 |
Products include Th30d4y Openlearnx.
How do I fix CVE-2026-41900?
Upgrade openlearnx to 2.0.3 or later.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2026-41900 being exploited?
There is no known exploitation of CVE-2026-41900 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-8h25-q488-4hxw.