CVE-2026-65110: CWE-502 Deserialization of Untrusted Data in NVIDIA Megatron-LM
Description
NVIDIA Megatron-LM contains a vulnerability in checkpoint loading where, an attacker could cause an RCE by convincing a user to load a maliciously crafted file. A successful exploit of this vulnerability might lead to code execution, escalation of privileges, information disclosure, and data tampering.
CVSS v3.1
Score 7.8high
Affected software
NVIDIA
Megatron-LM
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-65110 is a deserialization of untrusted data vulnerability (CWE-502) in NVIDIA Megatron-LM's checkpoint loading process. This flaw allows an attacker to execute arbitrary code remotely by convincing a user to load a malicious checkpoint file. The vulnerability impacts confidentiality, integrity, and availability, as indicated by the CVSS vector (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H). No vendor advisory or patch information is available at this time.
Potential Impact
Successful exploitation can result in remote code execution, escalation of privileges, disclosure of sensitive information, and tampering with data. This compromises the security of systems running the affected Megatron-LM software, potentially allowing attackers to control or disrupt operations.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, users should avoid loading untrusted checkpoint files and apply strict validation or sandboxing when handling such files.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- nvidia
- Date Reserved
- 2026-07-21T17:12:22.622Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6ace2fcc2cdf04f656649e87
Added to database: 10/13/2026, 13:19:08 UTC
Last enriched: 10/13/2026, 13:33:43 UTC
Last updated: 10/13/2026, 18:57:33 UTC
Views: 12
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