Code injection in NVIDIA Megatron-LM
Priority LOW 36CWE-94Published · 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
- No fix listed
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 pretrain_gpt script, where malicious data created by an attacker may cause a code injection issue. 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 0.00243 15th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| NVIDIA | Megatron-LM | All versions prior to 0.13.1 and 0.12.3 | — | No fix listed | CNA |
- Megatron-LM VendorNVIDIA Affected All versions prior to 0.13.1 and 0.12.3 Fixed in — No fix listed CNA
CPE configurations NVD · 7
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:nvidia:megatron-lm:*:*:*:*:*:*:*:* | before 0.12.3 | Vulnerable | NVIDIA |
| cpe:2.3:a:nvidia:megatron-lm:0.13.0:-:*:*:*:*:*:* | 0.13.0 | Vulnerable | NVIDIA |
| cpe:2.3:a:nvidia:megatron-lm:0.13.0:rc0:*:*:*:*:*:* | 0.13.0 rc0 | Vulnerable | NVIDIA |
| cpe:2.3:a:nvidia:megatron-lm:0.13.0:rc1:*:*:*:*:*:* | 0.13.0 rc1 | Vulnerable | NVIDIA |
| cpe:2.3:a:nvidia:megatron-lm:0.13.0:rc2:*:*:*:*:*:* | 0.13.0 rc2 | Vulnerable | NVIDIA |
| cpe:2.3:a:nvidia:megatron-lm:0.13.0:rc3:*:*:*:*:*:* | 0.13.0 rc3 | Vulnerable | NVIDIA |
| cpe:2.3:a:nvidia:megatron-lm:0.13.0:rc4:*:*:*:*:*:* | 0.13.0 rc4 | Vulnerable | NVIDIA |
- cpe:2.3:a:nvidia:megatron-lm:*:*:*:*:*:*:*:* Versions before 0.12.3 Vulnerable ·NVIDIA
- cpe:2.3:a:nvidia:megatron-lm:0.13.0:-:*:*:*:*:*:* Versions 0.13.0 Vulnerable ·NVIDIA
- cpe:2.3:a:nvidia:megatron-lm:0.13.0:rc0:*:*:*:*:*:* Versions 0.13.0 rc0 Vulnerable ·NVIDIA
- cpe:2.3:a:nvidia:megatron-lm:0.13.0:rc1:*:*:*:*:*:* Versions 0.13.0 rc1 Vulnerable ·NVIDIA
- cpe:2.3:a:nvidia:megatron-lm:0.13.0:rc2:*:*:*:*:*:* Versions 0.13.0 rc2 Vulnerable ·NVIDIA
- cpe:2.3:a:nvidia:megatron-lm:0.13.0:rc3:*:*:*:*:*:* Versions 0.13.0 rc3 Vulnerable ·NVIDIA
- cpe:2.3:a:nvidia:megatron-lm:0.13.0:rc4:*:*:*:*:*:* Versions 0.13.0 rc4 Vulnerable ·NVIDIA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-23348
- 2026-10-03 Alias added: GHSA-wh6g-3g9q-9246
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-2025-17082 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-2025-23348 · CVE Program
- CVE-2025-23348 · NVD
- FIRST EPSS
- GHSA-wh6g-3g9q-9246 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences