{"action":"Upgrade flask-security to 5.0.2-1 or later.","affected":[{"fixed":"5.0.2-1","introduced":"0"}],"component":"flask-security","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["5.0.2-1"],"id":"tcs_01M5NFEWTNAYKFSBE1SAPA65MH","modified_at":"2026-10-23T18:03:36.752185012Z","published_at":"2022-08-02T14:15:10.017Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-23385","https://security-tracker.debian.org/tracker/CVE-2021-23385"],"severity":{"label":"medium","score":6.1},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-23385","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-23385"}],"summary":"This affects all versions of package Flask-Security. When using the get_post_logout_redirect and get_post_login_redirect functions, it is possible to bypass URL validation and redirect a user to an ar"}