Code injection in NVIDIA Megatron-LM
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-94.
Summary
NVIDIA Megatron-LM for all platforms contains a vulnerability in the megatron/training/ arguments.py component where an attacker could cause a code injection issue by providing a malicious input. A successful exploit of this vulnerability may lead to code execution, escalation of privileges, information disclosure, and data tampering.
Why it matters now
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
Remediation
- Fix · CNA Megatron-LM (NVIDIA) Fixed in 0.12.2
Timeline
- 2026-10-02 Threatist record created from CVE-2025-23306
- 2026-10-03 Alias added: GHSA-63mx-9cw2-m4wm
References
More NVIDIA Megatron-lm vulnerabilities
- 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-2025-17081 Code injection in NVIDIA Megatron-LM CVSS 3.1HIGH 7.8
Sources
- CVE-2025-23306 · CVE Program
- CVE-2025-23306 · NVD
- FIRST EPSS
- GHSA-63mx-9cw2-m4wm · GitHub Advisory Database · CC BY 4.0
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