CVE-2026-33625
High
Description
LMDeploy is a toolkit for compressing, deploying, and serving large language models. Versions 012.1 through 0.12.2 contain a code injection vulnerability in `lmdeploy/pytorch/config.py` line 620 that allows an attacker to execute arbitrary Python code by publishing a malicious HuggingFace model with a crafted `quantization_config.quant_dtype` value. When a user loads the model with lmdeploy, the `quant_dtype` is passed to `eval(f'torch.{quant_dtype}')` without any validation. Version 0.12.3 contains a patch.
SeverityHigh
CVSS8.8
Exploit probability—
ProductLmdeploy
PublishedSep 18, 2026
First seenSep 18, 2026
Weakness typeCWE-400Uncontrolled resource consumption
How to fix
Update
- lmdeploy0.12.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| lmdeployPyPI | 0.12.1 ≤ v < 0.12.3 | 0.12.3 |
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