{"id":"CVE-2026-66057","title":"Frappe is a full-stack web application framework","summary":"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 redir…","severity":"medium","cwe":["CWE-601"],"published":"2026-10-13","updated":"2026-10-14","sourceUpdated":"2026-10-14T16:17:49.840","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-66057","references":[{"url":"https://github.com/frappe/frappe/commit/12568e2d54c4abba70bc0261387053fa28f90988","label":"security-advisories@github.com"},{"url":"https://github.com/frappe/frappe/commit/1e0a3b941231d74a71ff1a43eee2e9f63c88712d","label":"security-advisories@github.com"},{"url":"https://github.com/frappe/frappe/commit/6ed8acd869199feb3a2598887d471448297edf07","label":"security-advisories@github.com"},{"url":"https://github.com/frappe/frappe/pull/40962","label":"security-advisories@github.com"},{"url":"https://github.com/frappe/frappe/releases/tag/v15.116.0","label":"security-advisories@github.com"},{"url":"https://github.com/frappe/frappe/releases/tag/v16.29.0","label":"security-advisories@github.com"},{"url":"https://github.com/frappe/frappe/security/advisories/GHSA-78c5-55xg-jm7m","label":"security-advisories@github.com"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-10-13T17:38:53.197Z","vendor":"frappe","product":"frappe","affected":["frappe < 15.116.0","frappe >= 16.0.0, < 16.29.0"],"cvss":5.1,"cvssVector":"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","ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-14T15:37:05.549194Z"},"cvssSource":"cna","epss":0.00417,"epssPercentile":0.35882,"slug":"CVE-2026-66057","body":"## Overview\n\nFrappe 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":28,"depthScoreParts":{"impact":28.1,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[{"seq":221317,"id":"CVE-2026-66057","ts":1792031113041,"field":"cvss","old":null,"new":"5.1"},{"seq":221316,"id":"CVE-2026-66057","ts":1792031113041,"field":"severity","old":"none","new":"medium"}]}