{"action":"Upgrade rails to 2:5.2.2.1+dfsg-1 or later.","affected":[{"fixed":"2:5.2.2.1+dfsg-1","introduced":"0"}],"component":"rails","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["2:5.2.2.1+dfsg-1"],"id":"tcs_01M5NE6X8JS4QP7YNKVMMF29TS","modified_at":"2026-09-21T07:03:19.311879836Z","published_at":"2019-03-27T14:29:01.720Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2019-5420","https://security-tracker.debian.org/tracker/CVE-2019-5420"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2019-5420#Debian:13/rails","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2019-5420"}],"summary":"A remote code execution vulnerability in development mode Rails <5.2.2.1, <6.0.0.beta3 can allow an attacker to guess the automatically generated development mode secret token. This secret token can b"}