CVE-2026-53805

Critical

Description

NVIDIA Spatial Intelligence Lab's (SIL) GEN3C contains an unauthenticated remote code execution vulnerability in the inference API server where the /request-inference and /seed-model endpoints deserialize raw HTTP request bodies using Python's pickle.loads() without authentication or input validation. Attackers can supply a crafted payload containing a __reduce__ gadget to the inference API port to achieve remote code execution as the inference process.

SeverityCritical

CVSS9.8

Exploit probability—

ProductGEN3C

PublishedJun 17, 2026

First seenJun 17, 2026

Weakness typeCWE-502Deserialization of untrusted data

How to fix

Update

nv-tlabs GEN3Cdb2ffe12ced12ddafcec5e0422ee46ce8520746b or later

Patches

github.com/nv-tlabs/GEN3C/commit/db2ffe12ced12ddafcec5e0422ee46ce8520746b

Affected products

Product	Affected versions	Fixed in
nv-tlabs GEN3C	v < db2ffe12ced12ddafcec5e0422ee46ce8520746b	db2ffe12ced12ddafcec5e0422ee46ce8520746b

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