NVIDIA TensorRT-LLM up to 1.2.x gRPC Server Chat API Endpoint input validation

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k2.02

Summaryinfo

A vulnerability labeled as critical has been found in NVIDIA TensorRT-LLM up to 1.2.x. This issue affects some unknown processing of the component gRPC Server Chat API Endpoint. Such manipulation leads to input validation. This vulnerability is referenced as CVE-2026-47470. The attack can only be performed from a local environment. No exploit is available.

Detailsinfo

A vulnerability was found in NVIDIA TensorRT-LLM up to 1.2.x and classified as critical. Affected by this issue is an unknown part of the component gRPC Server Chat API Endpoint. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is availability. CVE summarizes:

NVIDIA TensorRT-LLM for any platform contains a vulnerability in the gRPC server chat API endpoint, where an attacker could cause CWE-20 by local attack. A successful exploit of this vulnerability might lead to denial of service.

This vulnerability is handled as CVE-2026-47470 since 05/19/2026. The exploitation is known to be easy. Local access is required to approach this attack. The technical details are unknown and an exploit is not available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

05/19/2026 CVE reserved
07/15/2026 +57 days Advisory disclosed
07/15/2026 +0 days VulDB entry created
07/15/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: nvidia.com

Status: Confirmed

CVE: CVE-2026-47470 (🔒)
GCVE (CVE): GCVE-0-2026-47470
GCVE (VulDB): GCVE-100-379130

Entryinfo

Created: 07/15/2026 02:51
Changes: 07/15/2026 02:51 (52)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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