{"schemaVersion":3,"id":"CVE-2026-66057","aliases":[],"status":"published","duplicateOf":null,"title":null,"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.","dates":{"published":"2026-10-13T16:48:03.798Z","modified":"2026-10-14T15:37:34.866Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":5.1,"severity":"medium","version":"4.0","versionLabel":"v4.0","source":"CVE.org","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","computed":false,"selection":"backend-summary"},"metrics":[{"version":"4.0","versionLabel":"v4.0","source":"CVE.org","score":5.1,"severity":"medium","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","exploitability":null,"impact":null,"computed":false},{"version":"4.0","versionLabel":"v4.0","source":"NVD","score":5.1,"severity":"medium","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","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00417,"percentile":0.34939,"severity":"low","asOf":"2026-10-21T00:00:00.000Z","change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[{"date":"2026-10-14T00:00:00.000Z","score":0.00417,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00417,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00417,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00417,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00417,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00417,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00417,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.00417,"percentile":0.34939}],"last30":[{"date":"2026-10-14T00:00:00.000Z","score":0.00417,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00417,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00417,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00417,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00417,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00417,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00417,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.00417,"percentile":0.34939}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-601","name":"URL 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