{"action":"Upgrade werkzeug to 3.1.6 or later.","affected":[{"fixed":"3.1.6","introduced":"0"}],"component":"werkzeug","cve_ids":["CVE-2026-27199"],"ecosystem":"PyPI","epss":0.00631,"exploited":false,"fixed_versions":["3.1.6"],"ghsa_id":"GHSA-29vq-49wr-vm6x","id":"tcs_01M5KESA9GTVZ2Y5E41HZ8F6YS","modified_at":"2026-09-10T03:50:33.709103081Z","published_at":"2026-02-19T20:32:45Z","references":["https://osv.dev/vulnerability/GHSA-29vq-49wr-vm6x","https://github.com/pallets/werkzeug/security/advisories/GHSA-29vq-49wr-vm6x","https://nvd.nist.gov/vuln/detail/CVE-2026-27199","https://github.com/pallets/werkzeug/commit/f407712fdc60a09c2b3f4fe7db557703e5d9338d","https://github.com/pallets/werkzeug","https://github.com/pallets/werkzeug/releases/tag/3.1.6"],"severity":{"label":"medium"},"sources":[{"source":"osv","source_id":"GHSA-29vq-49wr-vm6x","url":"https://osv.dev/vulnerability/GHSA-29vq-49wr-vm6x"}],"summary":"Werkzeug safe_join() allows Windows special device names"}