CVE-2025-33243 Deserialization in NeMo Framework
Attackers can achieve remote code execution and privilege escalation in NVIDIA NeMo Framework distributed environments via deserialization flaws.
- 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-2025-33243?
CVE-2025-33243 is a high-severity unsafe deserialization vulnerability in NVIDIA NeMo Framework, 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 NeMo Framework contains a vulnerability where an attacker could cause remote code execution in distributed environments. A successful exploit of this vulnerability might lead to code execution, escalation of privileges, information disclosure, and data tampering.
Weakness: CWE-502
Which versions are affected by CVE-2025-33243?
It affects 1 product.
Products include Nvidia Nemo.
How do I fix CVE-2025-33243?
No fix has been published for CVE-2025-33243 yet. Limit exposure of the affected software until one is available.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2025-33243 being exploited?
There is no known exploitation of CVE-2025-33243 in the wild and no public exploit code.
Other vulnerabilities in NVIDIA NeMo Framework
- CVE-2024-0081 Denial of service in NeMo
- CVE-2025-33245 NVIDIA NeMo Framework contains a vulnerability where malicious data could cause remote code execution
- CVE-2026-24252 Command injection in NeMo Framework
- CVE-2026-24155 Code injection in NeMo Framework
- CVE-2026-24228 Deserialization in NeMo Framework
Sources
Also known as GHSA-2cpx-h862-rqm6.