EUVD-2026-69324
GHSA-2r62-x7c8-g98g
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Local deserialization attack requires low-privilege account access; no remote vector; full CIA impact consistent with arbitrary code execution at process level.
Primary rating from Vendor (nvidia).
CVSS VectorVendor: nvidia
Lifecycle Timeline
2DescriptionCVE.org
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.
Articles & Coverage 2
AnalysisAI
Deserialization of untrusted data in NVIDIA Megatron Bridge exposes affected systems to code execution, data tampering, and information disclosure by a local low-privileged attacker. The flaw (CWE-502) allows a maliciously crafted serialized object to hijack the application's deserialization routine, granting the attacker the full CIA impact of the process context without requiring elevated privileges or user interaction. …
Unlock full vulnerability intelligence
- Risk assessment & exploitation conditions
- Attack chain visualization
- Remediation with exact patch versions
- Threat intelligence from 22 sources
- Personal watchlist & email alerts
Free forever · No credit card required
Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a local system account with at least low-level privileges (PR:L per CVSS), meaning the attacker must already have authenticated access to the host system running NVIDIA Megatron Bridge. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 base score of 7.8 (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) correctly conveys high potential impact across all three pillars, tempered by the local attack vector and low-privilege prerequisite. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Consult the NVIDIA PSIRT advisory at https://github.com/NVIDIA/product-security/tree/main/2026/5868 for the official patch guidance; a vendor-acknowledged fix exists per the PSIRT publication, but the exact patched release version is not confirmed in the available data. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: inventory all systems running NVIDIA Megatron Bridge and categorize deployments by compute model, prioritizing shared or multi-tenant environments. …
Sign in for detailed remediation steps and compensating controls.
Threat intelligence, references, and detailed analysis are available after sign-in.
More in Nemo Megatron Bridge
View allDeserialization of untrusted data in NVIDIA Megatron Bridge allows a local attacker with low privileges to achieve arbit
Deserialization of untrusted data in NVIDIA Megatron Bridge allows a local attacker with low privileges to achieve arbit
Deserialization of untrusted data in NVIDIA Megatron Bridge allows a local attacker with low-privilege access to achieve
Local code execution in NVIDIA Megatron Bridge exploits unsafe deserialization of attacker-controlled data, allowing a l
Deserialization of untrusted data in NVIDIA Megatron Bridge allows a low-privileged local user to achieve arbitrary code
Deserialization of untrusted data in NVIDIA Megatron Bridge allows a local attacker with low privileges to achieve arbit
Deserialization of untrusted data in NVIDIA Megatron Bridge enables a local low-privileged attacker to achieve code exec
Deserialization of untrusted data in NVIDIA Megatron Bridge exposes local users to code execution, data tampering, and i
Deserialization of untrusted data in NVIDIA Megatron Bridge exposes systems to local code execution, data tampering, and
Deserialization of untrusted data in NVIDIA Megatron Bridge allows a local attacker with low privileges to achieve code
Deserialization of untrusted data in NVIDIA Megatron Bridge allows a local attacker with low privileges to achieve full
Deserialization of untrusted data in NVIDIA Megatron Bridge allows a local low-privileged attacker to achieve arbitrary
Same weakness CWE-502 – Deserialization of Untrusted Data
View allShare
External POC / Exploit Code
Leaving vuln.today