{"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":0.0037,"exploited":false,"fixed_versions":[],"ghsa_id":"GHSA-7g5w-pq96-8c5w","id":"tcs_01M5KF5WMWR7HSNHY43C9PTC9C","modified_at":"2026-07-14T05:30:20.366472231Z","published_at":"2026-05-11T18:31:44Z","references":["https://osv.dev/vulnerability/GHSA-7g5w-pq96-8c5w","https://nvd.nist.gov/vuln/detail/CVE-2026-31253","https://github.com/Dao-AILab/flash-attention","https://www.notion.so/CVE-2026-31253-35d1e1393188813f9e77e2038104bc49"],"severity":{"label":"high","score":7.3},"sources":[{"source":"osv","source_id":"GHSA-7g5w-pq96-8c5w","url":"https://osv.dev/vulnerability/GHSA-7g5w-pq96-8c5w"}],"summary":"flash-attention contains an insecure deserialization vulnerability in its checkpoint loading mechanism"}