CVE-2025-32434: PyTorch: `torch.load` with `weights_only=True` leads to remote code execution

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-04-18 · updated 2026-06-17
Weakness: CWE-502

Description

PyTorch is a Python package that provides tensor computation with strong GPU acceleration and deep neural networks built on a tape-based autograd system. In version 2.5.1 and prior, a Remote Command Execution (RCE) vulnerability exists in PyTorch when loading a model using torch.load with weights_only=True. This issue has been patched in version 2.6.0.

Affected products

PyTorch: before 2.6.0 — fixed in 2.6.0

How to fix

Upgrade to a fixed version: PyTorch 2.6.0. Check the vendor advisory for mitigations.

References

https://github.com/pytorch/pytorch/security/advisories/GHSA-53q9-r3pm-6pq6
https://lists.debian.org/debian-lts-announce/2025/12/msg00000.html

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