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TI-2026-19466 Aliases CVE-2026-24151GHSA-3w95-ccww-mwv8

Deserialization of untrusted data in NVIDIA Megatron LM

Priority LOW 35CWE-502Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-502.

Summary

NVIDIA Megatron-LM contains a vulnerability in inferencing where an Attacker may cause an RCE by convincing a user to load a maliciously crafted input. A successful exploit of this vulnerability may lead to code execution, escalation of privileges, information disclosure, and data tampering.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00211 11th percentileScored 2026-11-07
Fix Fixed Megatron LM (NVIDIA): 0.15.3

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
NVIDIAMegatron LMbefore 0.15.30.15.3Patch availableCNA
  • Megatron LM VendorNVIDIA Affected before 0.15.3 Fixed in 0.15.3 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:nvidia:megatron-lm:*:*:*:*:*:*:*:*before 0.15.3VulnerableNVIDIA
  • cpe:2.3:a:nvidia:megatron-lm:*:*:*:*:*:*:*:* Versions before 0.15.3 Vulnerable ·NVIDIA

Remediation

  • Fix · CNA Megatron LM (NVIDIA) Fixed in 0.15.3

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-24151
  2. 2026-10-03 Alias added: GHSA-3w95-ccww-mwv8

References

Advisory 3

  • TI-2025-24181 Deserialization of untrusted data in NVIDIA Megatron LM CVSS 3.1HIGH 7.8
  • TI-2025-17129 Code injection in NVIDIA Megatron-LM CVSS 3.1HIGH 7.8
  • TI-2025-17128 Code injection in NVIDIA Megatron-LM CVSS 3.1HIGH 7.8
  • TI-2025-17124 Code injection in NVIDIA Megatron-LM CVSS 3.1HIGH 7.8
  • TI-2025-17123 Code injection in NVIDIA Megatron-LM CVSS 3.1HIGH 7.8
  • TI-2025-17082 Code injection in NVIDIA Megatron-LM CVSS 3.1HIGH 7.8
See all 12 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences