Vulnerability · Published Feb 18, 2026 · Assigned by nvidia
CVE-2025-33253
High 7.8
In plain English
A high-severity unsafe deserialization in NeMo Framework from NVIDIA. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 14% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.2%top 86.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
NVIDIA NeMo Framework contains a vulnerability where an attacker could cause remote code execution by convincing a user to load a maliciously crafted file. A successful exploit of this vulnerability might lead to code execution, denial of service, information disclosure, and data tampering.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| PyPI | nemo-toolkit | 2.6.1 | GHSA-hvjw-vp7g-39h5 |
| PyPI | nemo-toolkit | 2.6.1 | PYSEC-2026-2673 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| NVIDIA | NeMo Framework | All versions prior to 2.6.1 |
Weakness: CWE-502 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H