{"id":"CVE-2026-66057","state":"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.","publishedAt":"2026-10-13T16:48:03.798Z","updatedAt":"2026-10-14T15:37:34.866Z","severity":{"score":5.1,"label":"Medium","version":"4.0","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","source":"GitHub_M"},"assigner":"GitHub_M","products":["frappe frappe"],"affected":[{"vendor":"frappe","product":"frappe","versions":[{"version":"< 15.116.0","status":"affected"},{"version":">= 16.0.0, < 16.29.0","status":"affected"}]}],"references":["https://github.com/frappe/frappe/security/advisories/GHSA-78c5-55xg-jm7m","https://github.com/frappe/frappe/pull/40962","https://github.com/frappe/frappe/commit/12568e2d54c4abba70bc0261387053fa28f90988","https://github.com/frappe/frappe/commit/1e0a3b941231d74a71ff1a43eee2e9f63c88712d","https://github.com/frappe/frappe/commit/6ed8acd869199feb3a2598887d471448297edf07","https://github.com/frappe/frappe/releases/tag/v15.116.0","https://github.com/frappe/frappe/releases/tag/v16.29.0"],"weaknesses":["CWE-601"],"ingestedAt":"2026-10-29T20:12:41.951Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/66xxx/CVE-2026-66057.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-66057","state":"PUBLISHED","datePublished":"2026-10-13T16:48:03.798Z","dateUpdated":"2026-10-14T15:37:34.866Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-07-23T23:25:28.896Z"},"containers":{"cna":{"title":"Frappe: Open Redirect via Unsanitized OAuth State Param.","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"frappe","product":"frappe","versions":[{"version":"< 15.116.0","status":"affected"},{"version":">= 16.0.0, < 16.29.0","status":"affected"}]}],"references":[{"url":"https://github.com/frappe/frappe/security/advisories/GHSA-78c5-55xg-jm7m","name":"https://github.com/frappe/frappe/security/advisories/GHSA-78c5-55xg-jm7m","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/frappe/frappe/pull/40962","name":"https://github.com/frappe/frappe/pull/40962","tags":["x_refsource_MISC"]},{"url":"https://github.com/frappe/frappe/commit/12568e2d54c4abba70bc0261387053fa28f90988","name":"https://github.com/frappe/frappe/commit/12568e2d54c4abba70bc0261387053fa28f90988","tags":["x_refsource_MISC"]},{"url":"https://github.com/frappe/frappe/commit/1e0a3b941231d74a71ff1a43eee2e9f63c88712d","name":"https://github.com/frappe/frappe/commit/1e0a3b941231d74a71ff1a43eee2e9f63c88712d","tags":["x_refsource_MISC"]},{"url":"https://github.com/frappe/frappe/commit/6ed8acd869199feb3a2598887d471448297edf07","name":"https://github.com/frappe/frappe/commit/6ed8acd869199feb3a2598887d471448297edf07","tags":["x_refsource_MISC"]},{"url":"https://github.com/frappe/frappe/releases/tag/v15.116.0","name":"https://github.com/frappe/frappe/releases/tag/v15.116.0","tags":["x_refsource_MISC"]},{"url":"https://github.com/frappe/frappe/releases/tag/v16.29.0","name":"https://github.com/frappe/frappe/releases/tag/v16.29.0","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"ACTIVE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":5.1,"baseSeverity":"MEDIUM","vectorString":"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","version":"4.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-601","lang":"en","description":"CWE-601: URL Redirection to Untrusted Site ('Open Redirect')","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-10-13T16:48:03.798Z"},"source":{"advisory":"GHSA-78c5-55xg-jm7m","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-14T15:37:05.549194Z","id":"CVE-2026-66057","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-14T15:37:34.866Z"}}]}}}