Description
NVIDIA Megatron-LM contains a vulnerability in the hybrid conversion script where an Attacker may cause an RCE by convincing a user to load a maliciously crafted file. A successful exploit of this vulnerability may lead to code execution, escalation of privileges, information disclosure, and data tampering.
Published: 2026-03-24
Score: 7.8 High
EPSS: < 1% Very Low
KEV: No
Impact: Remote Code Execution
Action: Immediate Patch
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Thu, 26 Mar 2026 12:30:00 +0000

Type Values Removed Values Added
Title Deserialization Vulnerability in NVIDIA Megatron‑LM Hybrid Conversion Script Enabling Remote Code Execution

Wed, 25 Mar 2026 22:00:00 +0000

Type Values Removed Values Added
Title Deserialization Vulnerability in NVIDIA Megatron‑LM Hybrid Conversion Script Enabling Remote Code Execution
CPEs cpe:2.3:a:nvidia:megatron-lm:*:*:*:*:*:*:*:*

Wed, 25 Mar 2026 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Wed, 25 Mar 2026 12:00:00 +0000

Type Values Removed Values Added
First Time appeared Nvidia
Nvidia megatron-lm
Vendors & Products Nvidia
Nvidia megatron-lm

Tue, 24 Mar 2026 20:30:00 +0000

Type Values Removed Values Added
Description NVIDIA Megatron-LM contains a vulnerability in the hybrid conversion script where an Attacker may cause an RCE by convincing a user to load a maliciously crafted file. A successful exploit of this vulnerability may lead to code execution, escalation of privileges, information disclosure, and data tampering.
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'}


Subscriptions

Nvidia Megatron-lm
cve-icon MITRE

Status: PUBLISHED

Assigner: nvidia

Published:

Updated: 2026-03-25T14:27:54.572Z

Reserved: 2025-04-15T18:51:08.847Z

Link: CVE-2025-33248

cve-icon Vulnrichment

Updated: 2026-03-25T14:02:37.320Z

cve-icon NVD

Status : Analyzed

Published: 2026-03-24T21:16:24.767

Modified: 2026-03-25T21:58:36.280

Link: CVE-2025-33248

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-03-26T12:18:49Z

Weaknesses