CVE-2024-39205 pyload-ng vulnerable to RCE with js2py sandbox escape

Critical 9.8 Published Updated

Attackers can execute arbitrary code on pyload-ng servers via crafted HTTP requests, requiring immediate upgrades.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2024-39205?

CVE-2024-39205 is a critical code injection vulnerability in n/a, published on 28 Oct 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue in pyload-ng v0.5.0b3.dev85 running under python3.11 or below allows attackers to execute arbitrary code via a crafted HTTP request.

Which versions are affected by CVE-2024-39205?

3 open source packages ship an affected version, including pyload-ng.

PackageAffectedFixed in
pyload-ng PyPIAll versions to 0.5.0b3.dev85None
pyload-ng PyPIAll versions to 0.5.0b3.dev85None
pyload-ng PyPIAll versions to 0.5.0b3.dev85None

How do I fix CVE-2024-39205?

No fix has been published for CVE-2024-39205 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2024-39205 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-39205 exists.

Public exploit code: 1 Metasploit module and 2 proofs of concept on GitHub.

Sources

Also known as GHSA-r9pp-r4xf-597r, PYSEC-2026-499.

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