CVE-2025-33203 Server-side request forgery in NeMo Agent ToolKit
An attacker can exploit a Server-Side Request Forgery in the chat API to disclose information or cause denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-33203?
CVE-2025-33203 is a high-severity server-side request forgery vulnerability in NVIDIA NeMo Agent ToolKit, published on 25 Nov 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
NVIDIA NeMo Agent Toolkit UI for Web contains a vulnerability in the chat API endpoint where an attacker may cause a Server-Side Request Forgery. A successful exploit of this vulnerability may lead to information disclosure and denial of service.
Weakness: CWE-918
Which versions are affected by CVE-2025-33203?
How do I fix CVE-2025-33203?
No fix has been published for CVE-2025-33203 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2025-33203 being exploited?
There is no known exploitation of CVE-2025-33203 in the wild and no public exploit code.
Sources
Also known as GHSA-r2hm-j6r3-88q2.