CVE-2026-24243 in NVIDIA Megatron Bridge
NVIDIA Megatron Bridge for Linux contains a vulnerability where an attacker could cause deserialization of untrusted data. 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-2026-24243 affects NVIDIA Megatron Bridge. Systems running NVIDIA Megatron Bridge versions before 0.4.1 should update to NVIDIA Megatron Bridge 0.4.1 or later. Keep the service private until the update is done.
- Find every place where NVIDIA Megatron Bridge is installed.
- Check if it is running NVIDIA Megatron Bridge versions before 0.4.1.
- Update to NVIDIA Megatron Bridge 0.4.1 or later.
- Restart the affected service after the update.
- Keep admin and API access limited to trusted users.
- Review logs for strange model, job, or API activity.
- Rotate secrets if you think the system was exposed.
Scan now. Google sign-in is only needed to unlock fix guidance.
Verify the fix
- Confirm the installed NVIDIA Megatron Bridge version is 0.4.1 or later.
- Run a normal job and confirm it still works.
- Check that public access is blocked if it is not needed.
- Scan the host again with Fixnx.
- Keep the vendor advisory link in the change record.
Related categories
Trusted references
FAQ
What is affected by CVE-2026-24243?
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.