{"id":"CVE-2026-66057","aliases":["EUVD-2026-98927","GHSA-78c5-55xg-jm7m"],"status":"published","title":"Frappe: Open Redirect via Unsanitized OAuth State Param.","description":"Frappe is a full-stack web application framework. Prior to 15.116.0 and 16.29.0, the OAuth login flow uses an unsanitized client-controlled state parameter to select post-authentication navigation, allowing a crafted state value to redirect a user to an attacker-chosen location. This issue is fixed in versions 15.116.0 and 16.29.0.","severity":{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00417,"percentile":0.36345,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-601"],"published":"2026-10-13T16:48:03Z","modified":"2026-10-28T02:31:10Z","products":[{"vendor":"elated-themes","product":"frappe"},{"vendor":"frappe","product":"frappe"}],"references":[{"url":"https://github.com/frappe/frappe/security/advisories/GHSA-78c5-55xg-jm7m","tags":["x_refsource_CONFIRM","advisory"]},{"url":"https://github.com/frappe/frappe/pull/40962","tags":["x_refsource_MISC","fix"]},{"url":"https://github.com/frappe/frappe/commit/12568e2d54c4abba70bc0261387053fa28f90988","tags":["x_refsource_MISC","fix"]},{"url":"https://github.com/frappe/frappe/commit/1e0a3b941231d74a71ff1a43eee2e9f63c88712d","tags":["x_refsource_MISC","fix"]},{"url":"https://github.com/frappe/frappe/commit/6ed8acd869199feb3a2598887d471448297edf07","tags":["x_refsource_MISC","fix"]},{"url":"https://github.com/frappe/frappe/releases/tag/v15.116.0","tags":["x_refsource_MISC","web"]},{"url":"https://github.com/frappe/frappe/releases/tag/v16.29.0","tags":["x_refsource_MISC","web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/66xxx/CVE-2026-66057.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-66057","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-66057","title":"Frappe: Open Redirect via Unsanitized OAuth State Param.","description":"Frappe is a full-stack web application framework. Prior to 15.116.0 and 16.29.0, the OAuth login flow uses an unsanitized client-controlled state parameter to select post-authentication navigation, allowing a crafted state value to redirect a user to an attacker-chosen location. This issue is fixed in versions 15.116.0 and 16.29.0.","status":"published","published":"2026-10-13T16:48:03.798Z","modified":"2026-10-14T15:37:34.866Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T14:20:12.939084Z"}],"euvd":[{"id":"EUVD-2026-98927","description":"Frappe is a full-stack web application framework. Prior to 15.116.0 and 16.29.0, the OAuth login flow uses an unsanitized client-controlled state parameter to select post-authentication navigation, allowing a crafted state value to redirect a user to an attacker-chosen location. This issue is fixed in versions 15.116.0 and 16.29.0.","status":"published","published":"2026-10-13T16:48:03Z","modified":"2026-10-14T15:37:34Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T17:27:14.734034Z"}],"nvd":[{"id":"CVE-2026-66057","description":"Frappe is a full-stack web application framework. Prior to 15.116.0 and 16.29.0, the OAuth login flow uses an unsanitized client-controlled state parameter to select post-authentication navigation, allowing a crafted state value to redirect a user to an attacker-chosen location. This issue is fixed in versions 15.116.0 and 16.29.0.","status":"published","published":"2026-10-13T17:17:44.81Z","modified":"2026-10-14T16:17:49.84Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T14:12:57.132005Z"}],"osv":[{"id":"CVE-2026-66057","title":"Frappe: Open Redirect via Unsanitized OAuth State Param.","description":"Frappe is a full-stack web application framework. Prior to 15.116.0 and 16.29.0, the OAuth login flow uses an unsanitized client-controlled state parameter to select post-authentication navigation, allowing a crafted state value to redirect a user to an attacker-chosen location. This issue is fixed in versions 15.116.0 and 16.29.0.","status":"published","published":"2026-10-13T16:48:03.798Z","modified":"2026-10-28T02:31:10.002769032Z","cvss":[{"version":"4.0","score":5.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T15:45:14.46177Z"}]}}