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Vulnerability record · CVE-2026-53805 · published 17 June 2026

CVE-2026-53805: Deserialization of untrusted data vulnerability

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.

9.3 CVSS 4.0 Critical EPSS 1.3% · top 31.2% CWE-502 · Deserialization of untrusted data Awaiting Analysis
9.3CVSS 4.0 base score
1.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
4References
14 Jul 2026Last modified by NVD

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.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://github.com/nv-tlabs/GEN3C/commit/db2ffe12ced12ddafcec5e0422ee46ce8520746b
https://github.com/nv-tlabs/GEN3C/pull/62
https://github.com/nv-tlabs/GEN3C/pull/63
https://www.vulncheck.com/advisories/nvidia-sil-gen3c-unauthenticated-rce-via-pickle-deserialization-in-inference-api

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Source: NIST National Vulnerability Database (record CVE-2026-53805), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.