CVE-2025-33255
Analyzed Analyzed - Analysis Complete
NVIDIA TRT-LLM MPI Server Unsafe Deserialization Vulnerability

Publication date: 2026-05-20

Last updated on: 2026-05-21

Assigner: NVIDIA Corporation

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.
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Meta Information
Published
2026-05-20
Last Modified
2026-05-21
Generated
2026-06-09
AI Q&A
2026-05-20
EPSS Evaluated
2026-06-08
NVD
CVE-2025-33255
EUVD
EUVD-2025-209903
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
nvidia tensorrt_llm to 1.2 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-502 The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.
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Executive Summary

The vulnerability exists in the MPI server component of NVIDIA TRT-LLM on any platform. It involves unsafe deserialization, which means that the system improperly processes untrusted data during deserialization.

An attacker exploiting this vulnerability could cause serious security issues such as executing arbitrary code, causing denial of service, tampering with data, and disclosing sensitive information.

Impact Analysis

This vulnerability can have multiple severe impacts including:

  • Code execution by an attacker, potentially allowing full control over the affected system.
  • Denial of service, which can disrupt normal operations and availability.
  • Data tampering, leading to integrity issues and corrupted or altered data.
  • Information disclosure, exposing sensitive or confidential data to unauthorized parties.
Compliance Impact

The vulnerability in NVIDIA TRT-LLM's MPI server could lead to data tampering and information disclosure, which may impact compliance with standards and regulations that require data integrity and confidentiality, such as GDPR and HIPAA.

However, the provided information does not explicitly describe the direct effects on compliance with these or other common standards and regulations.

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