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Triton Inference Server CVE-2026-47629

| EUVDEUVD-2026-61110 HIGH
Improper Input Validation (CWE-20)
2026-08-18 nvidia GHSA-4hj7-x739-r9gh
7.5
CVSS 3.1 · Vendor: nvidia
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Severity by source

Vendor (nvidia) PRIMARY
7.5 HIGH
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
vuln.today AI
7.5 HIGH

Network-accessible inference endpoints require no authentication; impact is strictly availability loss with no confidentiality or integrity compromise possible from a DoS.

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Primary rating from Vendor (nvidia).

CVSS VectorVendor: nvidia

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

2
Analysis Generated
Aug 18, 2026 - 18:50 vuln.today
CVE Published
Aug 18, 2026 - 18:24 cve.org
HIGH 7.5

DescriptionCVE.org

NVIDIA Triton Inference Server for Linux contains a vulnerability where an attacker could cause improper input validation. A successful exploit might lead to denial of service.

AnalysisAI

Denial of service in NVIDIA Triton Inference Server for Linux exposes AI inference infrastructure to remote disruption through improper input validation. Unauthenticated network attackers can crash or render unresponsive the inference server by submitting malformed inputs, with CVSS 7.5 (AV:N/AC:L/PR:N/UI:N) confirming no authentication or user interaction is required. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Identify exposed Triton HTTP/gRPC inference endpoint
Delivery
Craft malformed or boundary-violating inference request
Exploit
Submit request to server with no authentication
Execution
Trigger improper input validation failure
Impact
Inference service crashes or becomes unresponsive

Vulnerability AssessmentAI

Exploitation No special conditions are required for network reachability based on the CVSS vector AV:N/AC:L/PR:N/UI:N - the attack can be launched by any unauthenticated remote attacker against the Triton Inference Server's network-exposed inference endpoints on default configurations. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H scores 7.5 and reflects a network-accessible, low-complexity, zero-authentication attack with high availability impact and no confidentiality or integrity loss. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An unauthenticated attacker with network access to the Triton Inference Server's HTTP or gRPC inference endpoint sends a specially crafted inference request containing malformed or boundary-violating input data. The server's input validation logic fails to reject the payload, triggering a crash, resource exhaustion, or unhandled exception that renders the inference service unavailable to legitimate clients. …
Remediation Consult the NVIDIA Product Security advisory at https://github.com/NVIDIA/product-security/tree/main/2026/5865 for the authoritative patch guidance; no exact fixed version number was present in the provided intelligence data, so a specific upgrade target cannot be confirmed independently. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours: Inventory all NVIDIA Triton Inference Server instances, identify which are reachable from untrusted networks, and document their current versions. …

Sign in for detailed remediation steps and compensating controls.

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Denial of service in NVIDIA Triton Inference Server for Linux stems from a stack-based buffer overflow (CWE-121) reachab

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Denial of service in NVIDIA Triton Inference Server for Linux allows a remote, unauthenticated attacker to disrupt avail

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CVE-2026-47629 vulnerability details – vuln.today

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