CVE-2026-65178 Deserialization in NeMo Speech
Attackers can execute code, tamper with data, cause denial of service, or disclose information via malicious model_config.yaml files in NVIDIA NeMo.
- 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-2026-65178?
CVE-2026-65178 is a high-severity unsafe deserialization vulnerability in NVIDIA NeMo Speech, published on 22 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
NVIDIA NeMo contains a vulnerability in its dataset-loading workflow where a maliciously crafted model_config.yaml can inject unsafe parameters. A successful exploit of this vulnerability may lead to code execution, data tampering, denial of service, and information disclosure.
Weakness: CWE-502
Which versions are affected by CVE-2026-65178?
It affects 1 product.
Products include Nvidia Nemo Speech.
How do I fix CVE-2026-65178?
No fix has been published for CVE-2026-65178 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-2026-65178 being exploited?
There is no known exploitation of CVE-2026-65178 in the wild and no public exploit code.
Other vulnerabilities in NVIDIA NeMo Speech
Sources
Also known as GHSA-mmmc-pj37-37jg.