CVE-2026-31254
HighSummary
The flash-attention project contains a code injection vulnerability in its training script, allowing arbitrary Python code execution via malicious configuration files.
Risk Assessment
An attacker can exploit this vulnerability to execute arbitrary code on the server, potentially leading to serious security breaches and data loss.
Recommendation
It is recommended to avoid using the eval() function in configurations and to review and validate configuration files before use.
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Original NVD description (English source)
The flash-attention project thru commit e724e2588cbe754beb97cf7c011b5e7e34119e62 (2025-13-04) contains a code injection vulnerability (CWE-94) in its training script. The script registers the Python eval() function as a Hydra configuration resolver under the name eval. This allows configuration files to execute arbitrary Python code via the ${eval:...} syntax. An attacker can exploit this by providing a malicious configuration file, leading to arbitrary code execution when the training script is run with that configuration.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS