Is flash_attn safe to use?

flash_attn has no known vulnerabilities on the latest version (2.8.3.post1). DepScope rates its health at 70/100 (moderate risk).

What is the latest version of flash_attn?

The latest version of flash_attn is 2.8.3.post1, released 2026-06-11.

No known vulnerabilities on the latest version of flash_attn.

No, flash_attn is actively maintained. Latest release: 2.8.3.post1 (2026-06-11).

Popular alternatives to flash_attn in PyPI include: boto3, cryptography, pyyaml, pycparser, jinja2.

flash_attn is licensed under BSD-3-Clause.

pypiv2.8.3.post1

Flash Attention: Fast and Memory-Efficient Exact Attention

License BSD-3-Clausepermissive76 versions1 maintainers2 deps

70

/ 100

Health

safe to use

[email protected] is safe to use (health: 70/100)

Health breakdown

0 – 100

20/25

maintenance

0/20

popularity

25/25

security

15/15

maturity

10/15

community

Vulnerabilities

0

none known

Dependencies (2)

API access

Get this data programmatically — free, no authentication.

curl https://depscope.dev/api/check/pypi/flash_attn