{"id":"CVE-2026-9245","aliases":["EUVD-2026-31459","GHSA-3v98-q7qw-m4cr"],"status":"published","title":"Improper input validation in the external authentication provider flow in Devolutions Server...","description":"Improper input validation in the external authentication provider flow in Devolutions Server allows an unauthenticated remote attacker to redirect victims to an attacker-controlled domain via a crafted login link.\n\nThis issue affects :\n\n  *  Devolutions Server 2026.1.6.0 through 2026.1.16.0\n  *  Devolutions Server 2025.3.20.0 and earlier","severity":{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.0023,"percentile":0.13946,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-601"],"published":"2026-05-22T15:24:09Z","modified":"2026-07-23T16:10:00Z","products":[{"vendor":"devolutions","product":"devolutions_server"},{"vendor":"devolutions","product":"server"}],"references":[{"url":"https://devolutions.net/security/advisories/DEVO-2026-0013/","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-9245"},{"url":"https://devolutions.net/security/advisories/DEVO-2026-0013"},{"url":"https://github.com/advisories/GHSA-3v98-q7qw-m4cr"}],"sources":{"cve":[{"id":"CVE-2026-9245","description":"Improper input validation in the external authentication provider flow in Devolutions Server allows an unauthenticated remote attacker to redirect victims to an attacker-controlled domain via a crafted login link.\n\nThis issue affects :\n\n  *  Devolutions Server 2026.1.6.0 through 2026.1.16.0\n  *  Devolutions Server 2025.3.20.0 and earlier","status":"published","published":"2026-05-22T15:24:09.107Z","modified":"2026-05-22T16:54:56.535Z","cvss":[{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L","level":"medium","assessor":"adp"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T13:42:26.790871Z"}],"euvd":[{"id":"EUVD-2026-31459","description":"Improper input validation in the external authentication provider flow in Devolutions Server allows an unauthenticated remote attacker to redirect victims to an attacker-controlled domain via a crafted login link.\n\nThis issue affects :\n\n  *  Devolutions Server 2026.1.6.0 through 2026.1.16.0\n  *  Devolutions Server 2025.3.20.0 and earlier","status":"published","published":"2026-05-22T15:24:09Z","modified":"2026-05-22T16:54:56Z","cvss":[{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T18:21:12.491464Z"}],"ghsa":[{"id":"GHSA-3v98-q7qw-m4cr","title":"Improper input validation in the external authentication provider flow in Devolutions Server...","description":"Improper input validation in the external authentication provider flow in Devolutions Server allows an unauthenticated remote attacker to redirect victims to an attacker-controlled domain via a crafted login link.\n\nThis issue affects :\n\n  *  Devolutions Server 2026.1.6.0 through 2026.1.16.0\n  *  Devolutions Server 2025.3.20.0 and earlier","status":"published","published":"2026-05-26T13:30:19Z","modified":"2026-05-26T13:30:19Z","cvss":[{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L","level":"medium"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T15:08:16.245994Z"}],"nvd":[{"id":"CVE-2026-9245","description":"Improper input validation in the external authentication provider flow in Devolutions Server allows an unauthenticated remote attacker to redirect victims to an attacker-controlled domain via a crafted login link.\n\nThis issue affects :\n\n  *  Devolutions Server 2026.1.6.0 through 2026.1.16.0\n  *  Devolutions Server 2025.3.20.0 and earlier","status":"published","published":"2026-05-22T16:16:25.4Z","modified":"2026-07-23T16:10:00.137Z","cvss":[{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L","level":"medium","assessor":"secondary"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T14:12:20.131508Z"}]}}