{"action":"Upgrade @feathersjs/authentication-oauth to 5.0.40 or later.","affected":[{"fixed":"5.0.40","introduced":"0"}],"component":"@feathersjs/authentication-oauth","cve_ids":["CVE-2026-27191"],"ecosystem":"npm","epss":0.00293,"exploited":false,"fixed_versions":["5.0.40"],"ghsa_id":"GHSA-ppf9-4ffw-hh4p","id":"tcs_01M5KG44S9A3MH6D0EYXKQ0GEH","modified_at":"2026-02-23T23:43:54.686822Z","published_at":"2026-02-19T20:32:15Z","references":["https://osv.dev/vulnerability/GHSA-ppf9-4ffw-hh4p","https://github.com/feathersjs/feathers/security/advisories/GHSA-ppf9-4ffw-hh4p","https://nvd.nist.gov/vuln/detail/CVE-2026-27191","https://github.com/feathersjs/feathers/commit/ee19a0ae9bc2ebf23b1fe598a1f7361981b65401","https://github.com/feathersjs/feathers","https://github.com/feathersjs/feathers/releases/tag/v5.0.40"],"severity":{"label":"medium","score":6.1},"sources":[{"source":"osv","source_id":"GHSA-ppf9-4ffw-hh4p","url":"https://osv.dev/vulnerability/GHSA-ppf9-4ffw-hh4p"},{"source":"nvd","source_id":"CVE-2026-27191","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27191"}],"summary":"Feathers has an open redirect in OAuth callback enables account takeover"}