CVE-2025-33253: nvidia nemo Deserialization of Untrusted Data
CVSS: 7.8v3.1HighAnalyzed
AliasesGHSA-hvjw-vp7g-39h5PYSEC-2026-2673
Published 18-02-2026Last modified 26-02-2026
Vulnerability summary
CVE-2025-33253 is a high (CVSS 7.8) Deserialization of Untrusted Data vulnerability in nvidia nemo. EPSS estimates a 0.23% chance of exploitation in the next 30 days, higher than 12.6% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.1 (CVE.org)EPSS score
0.23%
0%100%
Low · +0.03 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 18-02-2026PublishedVulnerability first disclosed.
- 26-02-2026Last modifiedVulnerability information updated.
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.
CVSS metrics
3 scores · 3 sources · 1 versionHigh 7.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSources3 sources · 7.3–7.8
- OSV · PypiEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- NVDNIST7.3HighCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:HDiffers
EPSS trend
Probability
0.23%
Chance of exploitation in the next 30 days
Percentile
13%
Versus all other CVEs
30-day change
+0.03 pp
From 0.19% on 19-09-2026
19-09-202619-10-2026
EPSS score0.23%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Nvidia2 products
- nemo< 2.6.1
- nemo frameworkAll versions prior to 2.6.1
PyPI1 product
- nemo-toolkit< 2.6.1
2 vendors · 3 products
References
6 links- github.com/NVIDIA-NeMo/NeMoPACKAGE