Symlink Attack

Overview flash-attention is a Flash Attention2 operator on Huawei Ascend 910A. Affected versions of this package are vulnerable to Symlink Attack via the downloadandcopy function in hopper/setup.py when extracting archives without validating symlinks or filtering tar members. An attacker can...

flash-attention contains an insecure deserialization vulnerability in its checkpoint loading mechanism

The flash-attention training framework thru commit e724e2588cbe754beb97cf7c011b5e7e34119e62 2025-13-04 contains an insecure deserialization vulnerability CWE-502 in its checkpoint loading mechanism. The loadcheckpoint function in checkpoint.py and the checkpoint loading code in eval.py use...

PYSEC-2026-2477 flash-attention contains an insecure deserialization vulnerability in its checkpoint loading mechanism

The flash-attention training framework thru commit e724e2588cbe754beb97cf7c011b5e7e34119e62 2025-13-04 contains an insecure deserialization vulnerability CWE-502 in its checkpoint loading mechanism. The loadcheckpoint function in checkpoint.py and the checkpoint loading code in eval.py use...

CVE-2026-31254

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 t...

GHSA-7G5W-PQ96-8C5W flash-attention contains an insecure deserialization vulnerability in its checkpoint loading mechanism

The flash-attention training framework thru commit e724e2588cbe754beb97cf7c011b5e7e34119e62 2025-13-04 contains an insecure deserialization vulnerability CWE-502 in its checkpoint loading mechanism. The loadcheckpoint function in checkpoint.py and the checkpoint loading code in eval.py use...

CVE-2026-31253

The flash-attention training framework thru commit e724e2588cbe754beb97cf7c011b5e7e34119e62 2025-13-04 contains an insecure deserialization vulnerability CWE-502 in its checkpoint loading mechanism. The loadcheckpoint function in checkpoint.py and the checkpoint loading code in eval.py use...

CVE-2026-31253

The flash-attention training framework thru commit e724e2588cbe754beb97cf7c011b5e7e34119e62 2025-13-04 contains an insecure deserialization vulnerability CWE-502 in its checkpoint loading mechanism. The loadcheckpoint function in checkpoint.py and the checkpoint loading code in eval.py use...

CVE-2026-31253

The flash-attention training framework thru commit e724e2588cbe754beb97cf7c011b5e7e34119e62 2025-13-04 contains an insecure deserialization vulnerability CWE-502 in its checkpoint loading mechanism. The loadcheckpoint function in checkpoint.py and the checkpoint loading code in eval.py use...

CVE-2026-31254

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 t...

PT-2026-39638

Name of the Vulnerable Software and Affected Versions flash-attention training framework versions prior to commit e724e2588cbe754beb97cf7c011b5e7e34119e62 Description An insecure deserialization issue exists in the checkpoint loading mechanism. The load checkpoint function in checkpoint.py and th...

CVE-2026-31253

The flash-attention training framework thru commit e724e2588cbe754beb97cf7c011b5e7e34119e62 2025-13-04 contains an insecure deserialization vulnerability CWE-502 in its checkpoint loading mechanism. The loadcheckpoint function in checkpoint.py and the checkpoint loading code in eval.py use...

FlashAttention 安全漏洞

FlashAttention is an efficient and memory-efficient attention mechanism implementation tool open-sourced by Dao AI Lab. There is a security vulnerability in FlashAttention; this vulnerability stems from the training script registering the Python eval function as a Hydra configuration parser, whic...

CVE-2026-31254

The flash-attention project contains a code injection vulnerability (CWE-94) in its training script, specifically affecting versions through commit e724e2588cbe754beb97cf7c011b5e7e34119e62 . The vulnerability occurs because the script registers the Python eval() function as a Hydra configuration ...