CVE-2026-61778: CWE-502 Deserialization of Untrusted Data in NVIDIA Megatron Bridge
Description
NVIDIA Megatron Bridge contains a vulnerability where an attacker could cause a deserialization of untrusted data. A successful exploit of this vulnerability might lead to code execution, data tampering, and information disclosure.
CVSS v3.1
Score 7.8high
Affected software
NVIDIA
Megatron Bridge
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-61778 is a deserialization of untrusted data vulnerability (CWE-502) in NVIDIA Megatron Bridge. This vulnerability allows an attacker with local access and low privileges to cause the application to deserialize malicious data, potentially leading to remote code execution, data tampering, and information disclosure. The CVSS 3.1 base score is 7.8, reflecting high impact on confidentiality, integrity, and availability. No vendor advisory or patch information is currently available, and no known exploits are reported in the wild.
Potential Impact
Successful exploitation could lead to arbitrary code execution, unauthorized modification of data, and leakage of sensitive information. The attack requires local access with low privileges and does not require user interaction. The vulnerability affects confidentiality, integrity, and availability at a high level.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict local access to trusted users only and monitor for suspicious activity related to deserialization processes in NVIDIA Megatron Bridge.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- nvidia
- Date Reserved
- 2026-07-10T19:12:31.027Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a9702f0acd9273b49f51a61
Added to database: 09/01/2026, 16:53:04 UTC
Last enriched: 09/07/2026, 14:37:42 UTC
Last updated: 10/14/2026, 18:48:22 UTC
Views: 100
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.