CVE-2025-33255

critical

Published 2026-05-20 · Modified 2026-05-21

CVSS v3

9.8

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2

—

VIR risk

9.8

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.

Predictions

Exploit likelihood

97%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: psirt@nvidia.com — https://nvidia.custhelp.com/app/answers/detail/a_id/5805

Application impact

Vendor	Product	Versions	Fixed
nvidia	tensorrt_llm	`{"endExcluding":"1.2"}`	`1.2`

References

https://nvd.nist.gov/vuln/detail/CVE-2025-33255
https://nvidia.custhelp.com/app/answers/detail/a_id/5805
https://www.cve.org/CVERecord?id=CVE-2025-33255

CWEs

CWE-502

Verify integrity in audit chain (admin only). AS-IS.