CVE-2026-24251 in NVIDIA Megatron Bridge
NVIDIA Megatron Bridge for Linux contains a vulnerability where an attacker could cause improper control of dynamically managed code resources. A successful exploit of this vulnerability might lead to code execution, escalation of privileges, data tampering, and information disclosure.
Quick answer
NVIDIA Megatron Bridge should be reviewed and updated if it matches the affected versions. The recommended fix is to apply the vendor-supported patched version or the mitigation steps below, then retest the public website with Fixnx.
Who is affected
Affected versions
- NVIDIA Megatron Bridge versions before 0.4.1
Fixed versions
- NVIDIA Megatron Bridge 0.4.1 or later
How to fix it
CVE-2026-24251 affects NVIDIA Megatron Bridge. In simple terms, an attacker may be able to run code or take control of the affected system. Check for NVIDIA Megatron Bridge versions before 0.4.1 and update to NVIDIA Megatron Bridge 0.4.1 or later. Do not load untrusted models, checkpoints, scripts, or training files while you update.
- Find every NVIDIA Megatron Bridge install in production, staging, and test.
- Check whether it matches NVIDIA Megatron Bridge versions before 0.4.1.
- Update to NVIDIA Megatron Bridge 0.4.1 or later.
- Do not load untrusted models, checkpoints, scripts, or training files while you update.
- Back up the system before making the change.
- Review logs for strange requests, crashes, file changes, or failed actions.
- Rotate secrets or rebuild the host if you suspect the issue was used.
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Verify the fix
- Confirm the installed version is fixed or the mitigation is active.
- Confirm untrusted model and checkpoint files are not loaded.
- Test the affected feature with a normal user account.
- Review recent logs for signs of abuse.
- Run a fresh Fixnx scan and keep the result with the change record.
Related categories
Trusted references
FAQ
What is affected by CVE-2026-24251?
NVIDIA Megatron Bridge versions listed as affected should be reviewed: NVIDIA Megatron Bridge versions before 0.4.1.
What should I fix first?
Start with internet-facing sites, admin panels, login flows, plugins, themes, modules, packages, and systems that process user-controlled input or sensitive data.
How do I confirm the fix worked?
Apply the patched version or mitigation, clear caches where relevant, retest the affected workflow, and run a new Fixnx scan to verify public website exposure signals.
How are Fixnx security risk categories chosen?
Fixnx keeps one canonical risk page and assigns only broad, relevant categories such as ecosystem, technology area, or vulnerability class.