Description
NVIDIA Megatron Bridge contains a vulnerability where an attacker could cause a deserialization of untrusted data. A successful exploit of this vulnerability might lead to code execution, data tampering, and information disclosure.
Published: 2026-09-01
Score: 7.8 High
EPSS: < 1% Very Low
KEV: No
Impact: Remote Code Execution
Action: Immediate Patch
AI Analysis

Impact

NVIDIA Megatron Bridge has a flaw that permits an attacker to cause the system to deserialize untrusted input, potentially leading to remote code execution, data tampering, and information disclosure. The weakness arises from insecure deserialization (CWE-502).

Affected Systems

The affected product is NVIDIA Megatron Bridge. No specific version information is provided; organizations using any currently deployed version should verify compatibility and patch status.

Risk and Exploitability

The CVSS score of 7.8 indicates high severity, yet EPSS is not available and the vulnerability is not listed in KEV, suggesting limited public exploitation data. Nonetheless, the ability to deserialize untrusted data typically requires remote or local interaction, making it potentially exploitable in network‑connected environments. The lack of public exploitation may reflect a low current threat, but the high impact warrants precautionary measures.

Generated by OpenCVE AI on September 2, 2026 at 00:55 UTC.

Remediation

No vendor fix or workaround currently provided.

OpenCVE Recommended Actions

  • Apply any NVIDIA Megatron Bridge patch or upgrade to the latest release that addresses the deserialization issue.
  • If a patch is not yet available, restrict network access to the bridge service and monitor for suspicious traffic or failed deserialization attempts.
  • Implement input validation or data sanitization to reject malformed or unexpected payloads before deserialization, or disable the deserialization functionality if possible.

Generated by OpenCVE AI on September 2, 2026 at 00:55 UTC.

Tracking

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Advisories

No advisories yet.

History

Wed, 02 Sep 2026 12:45:00 +0000

Type Values Removed Values Added
First Time appeared Nvidia nemo Megatron Bridge
CPEs cpe:2.3:a:nvidia:nemo_megatron_bridge:*:*:*:*:*:*:*:*
Vendors & Products Nvidia nemo Megatron Bridge

Wed, 02 Sep 2026 01:15:00 +0000

Type Values Removed Values Added
Title Deserialization Vulnerability Allowing Code Execution in NVIDIA Megatron Bridge
First Time appeared Nvidia
Nvidia megatron-bridge
Vendors & Products Nvidia
Nvidia megatron-bridge

Tue, 01 Sep 2026 22:00:00 +0000

Type Values Removed Values Added
Description NVIDIA Megatron Bridge contains a vulnerability where an attacker could cause a deserialization of untrusted data. A successful exploit of this vulnerability might lead to code execution, data tampering, and information disclosure.
Weaknesses CWE-502
References
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Subscriptions

Nvidia Megatron-bridge Nemo Megatron Bridge
cve-icon MITRE

Status: PUBLISHED

Assigner: nvidia

Published:

Updated: 2026-09-01T16:28:51.539Z

Reserved: 2026-07-10T19:12:31.026Z

Link: CVE-2026-61770

cve-icon Vulnrichment

Updated: 2026-09-01T16:20:29.935Z

cve-icon NVD

Status : Analyzed

Published: 2026-09-01T16:17:10.210

Modified: 2026-09-02T12:32:59.290

Link: CVE-2026-61770

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-02T01:00:07Z

Weaknesses
  • CWE-502

    Deserialization of Untrusted Data