{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0","last_affected":"2.8.3"}],"component":"flash-attn","cve_ids":["CVE-2026-31253"],"ecosystem":"PyPI","epss":0.00218,"exploited":false,"fixed_versions":[],"ghsa_id":"GHSA-7g5w-pq96-8c5w","id":"tcs_01M5KGZQAADG73BJ1YYJH909M8","modified_at":"2026-07-13T16:31:40.152625318Z","published_at":"2026-07-13T15:15:45.233345Z","references":["https://osv.dev/vulnerability/PYSEC-2026-2477","https://nvd.nist.gov/vuln/detail/CVE-2026-31253","https://github.com/Dao-AILab/flash-attention","https://www.notion.so/CVE-2026-31253-35d1e1393188813f9e77e2038104bc49","https://pypi.org/project/flash-attn","https://github.com/advisories/GHSA-7g5w-pq96-8c5w"],"severity":{"label":"high","score":7.3},"sources":[{"source":"osv","source_id":"PYSEC-2026-2477","url":"https://osv.dev/vulnerability/PYSEC-2026-2477"}],"summary":"flash-attention contains an insecure deserialization vulnerability in its checkpoint loading mechanism"}