Deserialization of Untrusted Data in TensorRT-LLM - CVE-2025-33255
Published: May 19, 2026
Vulnerability identifier: #VU131798
CSH Severity: Low
CVSS v4: 7.1 [CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-33255
CWE-ID: CWE-502
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local privileged user to execute arbitrary code, cause a denial of service, tamper with data, or disclose sensitive information.
The vulnerability exists due to unsafe deserialization in MPI server when processing serialized data. A local privileged user can supply crafted serialized input to execute arbitrary code, cause a denial of service, tamper with data, or disclose sensitive information.
Affected software
TensorRT-LLM
How to mitigate CVE-2025-33255
Install security update from vendor's website.
TensorRT-LLM - update to 1.2.0