{"action":"Upgrade flask to 3.1.1 or later.","affected":[{"fixed":"3.1.1","introduced":"3.1.0"}],"component":"flask","cve_ids":["CVE-2025-47278"],"ecosystem":"PyPI","epss":0.0019,"exploited":false,"fixed_versions":["3.1.1"],"ghsa_id":"GHSA-4grg-w6v8-c28g","id":"tcs_01M5KEY68FRRSACGXE2SMV135P","modified_at":"2026-09-10T03:50:24.238504042Z","published_at":"2025-05-13T20:25:26Z","references":["https://osv.dev/vulnerability/GHSA-4grg-w6v8-c28g","https://github.com/pallets/flask/security/advisories/GHSA-4grg-w6v8-c28g","https://nvd.nist.gov/vuln/detail/CVE-2025-47278","https://github.com/pallets/flask/commit/73d6504063bfa00666a92b07a28aaf906c532f09","https://github.com/pallets/flask","https://github.com/pallets/flask/releases/tag/3.1.1"],"severity":{"label":"low","score":1.8},"sources":[{"source":"osv","source_id":"GHSA-4grg-w6v8-c28g","url":"https://osv.dev/vulnerability/GHSA-4grg-w6v8-c28g"},{"source":"nvd","source_id":"CVE-2025-47278","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-47278"}],"summary":"Flask uses fallback key instead of current signing key"}