Critical severity · published May 20, 2026
CVE-2025-33255
NVIDIA TRT-LLM for any platform contains a vulnerability in MPI server, where an attacker could cause an unsafe deserialization
9.8
CVSS
0.6%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 47% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TE
TensorRT-LLM · NVIDIA
before v1.2 · source: vendor
TL
Tensorrt Llm · Nvidia
before 1.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-33255
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-33255
Third Party Advisory
https://nvd.nist.gov/vuln/detail/CVE-2025-33255
Vendor Advisory
https://nvidia.custhelp.com/app/answers/detail/a_id/5805
Third Party Advisory
https://www.cve.org/CVERecord?id=CVE-2025-33255
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