{"id":"CVE-2016-1000001","aliases":["EUVD-2016-0010","GHSA-f9q6-69fh-4w5w","PYSEC-2016-25"],"status":"published","title":"flask-oidc Open Redirect vulnerability","description":"flask-oidc version 0.1.2 and earlier is vulnerable to an open redirect","severity":{"version":"3.0","score":7.4,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00811,"percentile":0.57202,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-601"],"published":"2016-10-07T18:00:00Z","modified":"2026-10-20T10:46:43Z","fixes":[{"ecosystem":"PyPI","package":"flask-oidc","fixed_in":["1.0.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"PyPI","package":"flask-oidc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.0"}]}]},{"source":"osv","ecosystem":"PyPI","package":"flask-oidc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.0"}]}],"versions":["0.1.0","0.1.1","0.1.2"]},{"source":"osv","ecosystem":"PyPI","package":"flask-oidc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.0"}]}],"versions":["0.1.0","0.1.1","0.1.2"]}],"products":[{"vendor":"flask-oidc_project","product":"flask-oidc"}],"references":[{"url":"https://github.com/puiterwijk/flask-oidc/blob/master/flask_oidc/__init__.py#L293","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Patch","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-1000001","tags":["advisory"]},{"url":"https://github.com/puiterwijk/flask-oidc/commit/f2ef8b4ffa445be00f6602e446e60916f4ee4d30","tags":["web"]},{"url":"https://github.com/pypa/advisory-database/tree/main/vulns/flask-oidc/PYSEC-2016-25.yaml","tags":["web"]},{"url":"https://github.com/advisories/GHSA-f9q6-69fh-4w5w","tags":["advisory"]},{"url":"https://github.com/puiterwijk/flask-oidc","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2016-1000001","description":"flask-oidc version 0.1.2 and earlier is vulnerable to an open redirect","status":"published","published":"2016-10-07T18:00:00Z","modified":"2024-08-06T03:47:34.834Z","updated_at":"2026-11-02T14:33:36.802481Z"}],"euvd":[{"id":"EUVD-2016-0010","description":"flask-oidc version 0.1.2 and earlier is vulnerable to an open redirect","status":"published","published":"2016-10-07T18:00:00Z","modified":"2024-08-06T03:47:34Z","updated_at":"2026-11-03T02:22:22.200353Z"}],"ghsa":[{"id":"GHSA-f9q6-69fh-4w5w","title":"flask-oidc Open Redirect vulnerability","description":"flask-oidc version 0.1.2 and earlier is vulnerable to an open redirect.","status":"published","published":"2022-05-17T02:58:43Z","modified":"2024-09-20T20:00:50Z","cvss":[{"version":"4.0","score":8.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:N/SC:N/SI:H/SA:N","level":"high"},{"version":"3.0","score":7.4,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N","level":"high"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T14:38:04.690827Z"}],"nvd":[{"id":"CVE-2016-1000001","description":"flask-oidc version 0.1.2 and earlier is vulnerable to an open redirect","status":"published","published":"2016-10-07T18:59:00.21Z","modified":"2026-06-17T00:38:38.92Z","cvss":[{"version":"3.0","score":7.4,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T14:03:31.485755Z"}],"osv":[{"id":"CVE-2016-1000001","description":"flask-oidc version 0.1.2 and earlier is vulnerable to an open redirect","status":"published","published":"2016-10-07T18:59:00.21Z","modified":"2026-10-20T10:46:43.689961655Z","cvss":[{"version":"3.0","score":7.4,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:44:01.531338Z"},{"id":"GHSA-f9q6-69fh-4w5w","title":"flask-oidc Open Redirect vulnerability","description":"flask-oidc version 0.1.2 and earlier is vulnerable to an open redirect.","status":"published","published":"2022-05-17T02:58:43Z","modified":"2024-09-20T20:24:21.765387Z","cvss":[{"version":"3.0","score":7.4,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N","level":"high"},{"version":"4.0","score":8.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:N/SC:N/SI:H/SA:N","level":"high"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T15:46:46.39441Z"},{"id":"PYSEC-2016-25","description":"flask-oidc version 0.1.2 and earlier is vulnerable to an open redirect","status":"published","published":"2016-10-07T18:59:00Z","modified":"2026-06-10T17:01:16.832712649Z","updated_at":"2026-11-02T15:52:51.645172Z"}]}}