CVE-2025-33239 Code injection in Megatron-Bridge
Malicious input in NVIDIA Megatron Bridge data merging tutorial allows code injection, leading to code execution, privilege escalation, and data tampering.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-33239?
CVE-2025-33239 is a high-severity code injection vulnerability in NVIDIA Megatron-Bridge, published on 18 Feb 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
NVIDIA Megatron Bridge contains a vulnerability in a data merging tutorial, where malicious input could cause a code injection. A successful exploit of this vulnerability might lead to code execution, escalation of privileges, information disclosure, and data tampering.
Weakness: CWE-94
Which versions are affected by CVE-2025-33239?
It affects 1 product.
Products include Nvidia Nemo Megatron Bridge.
How do I fix CVE-2025-33239?
No fix has been published for CVE-2025-33239 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-2025-33239 being exploited?
There is no known exploitation of CVE-2025-33239 in the wild and no public exploit code.
Other vulnerabilities in NVIDIA Megatron-Bridge
Sources
Also known as GHSA-rv75-v2gv-p54c.