Vulnerability · Published May 20, 2026 · Assigned by nvidia
CVE-2025-33255
High 7.5
In plain English
A high-severity unsafe deserialization in TensorRT-LLM from NVIDIA. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 47% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.6%top 52.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
NVIDIA TRT-LLM for any platform contains a vulnerability in MPI server, where an attacker could cause an unsafe deserialization. A successful exploit of this vulnerability might lead to code execution, denial of service, data tampering, and information disclosure.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| NVIDIA | TensorRT-LLM | 0 – before v1.2 |
Weakness: CWE-502 · Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H