Deserialization in NVIDIA Merlin Transformers4rec

CVE-2025-33213

NVIDIA Merlin Transformers4Rec for Linux contains a vulnerability in the Trainer component, where a user could cause a deserialization issue. A successful exploit of this vulnerability might lead to code execution, denial of service, information disclosure, and data tampering.

Vulnerability class: Insecure Deserialization

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.007 (49.5th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 49.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-33213: held from 0.006 to 0.007.

EPSS over last 30 days · oldest: 0.006 · newest: 0.007 · change: +0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-33213?
CVE-2025-33213 is a high-severity vulnerability in NVIDIA Merlin Transformers4rec, classified under Deserialization of Untrusted Data. CVSS score: 8.8/10. Published 2025-12-09.
How severe is CVE-2025-33213?
High severity. CVSS v3 base score is 8.8 out of 10.