{"schema":"threatline.record/2","record":{"id":"CVE-2026-66057","aliases":["GHSA-78c5-55xg-jm7m"],"summary":"Frappe: Open Redirect via Unsanitized OAuth State Param.","details":"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.","categories":["Unclassified"],"product":"frappe","vendor":"frappe","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-66057","source_modified_at":"2026-10-14T15:37:34.866Z","fetched_at":"2026-10-23T18:48:36.087640Z","product":"frappe","vendor":"frappe","versions":[{"version":"< 15.116.0","status":"affected"},{"version":">= 16.0.0, < 16.29.0","status":"affected"}],"defaultStatus":null}],"fixed_versions":[],"cvss":5.1,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00417,"percentile":0.35013,"score_date":"2026-10-23"},"published_at":"2026-10-13T16:48:03.798Z","modified_at":"2026-10-14T15:37:34.866Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-66057","fetched_at":"2026-10-23T18:48:36.087640Z","source_modified_at":"2026-10-14T15:37:34.866Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-66057","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/frappe/frappe/security/advisories/GHSA-78c5-55xg-jm7m","tags":["x_refsource_CONFIRM"]},{"source":"CVE List","url":"https://github.com/frappe/frappe/pull/40962","tags":["x_refsource_MISC"]},{"source":"CVE List","url":"https://github.com/frappe/frappe/commit/12568e2d54c4abba70bc0261387053fa28f90988","tags":["x_refsource_MISC"]},{"source":"CVE List","url":"https://github.com/frappe/frappe/commit/1e0a3b941231d74a71ff1a43eee2e9f63c88712d","tags":["x_refsource_MISC"]},{"source":"CVE List","url":"https://github.com/frappe/frappe/commit/6ed8acd869199feb3a2598887d471448297edf07","tags":["x_refsource_MISC"]},{"source":"CVE List","url":"https://github.com/frappe/frappe/releases/tag/v15.116.0","tags":["x_refsource_MISC"]},{"source":"CVE List","url":"https://github.com/frappe/frappe/releases/tag/v16.29.0","tags":["x_refsource_MISC"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-14T15:37:05.549194Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-14T15:37:34.866Z","content_hash":"394d0e38d0ce857b9b58e6d47e1abc32dc174634200d768ddad54984b27dce52"}}