{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-18266", "assignerOrgId": "99f1926a-a320-47d8-bbb5-42feb611262e", "state": "PUBLISHED", "assignerShortName": "zdi", "dateReserved": "2026-07-29T17:01:32.386Z", "datePublished": "2026-07-29T19:05:20.221Z", "dateUpdated": "2026-07-29T19:36:20.352Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "99f1926a-a320-47d8-bbb5-42feb611262e", "shortName": "zdi", "dateUpdated": "2026-07-29T19:05:20.221Z"}, "title": "Dify AI Workflow oauth_redirect_url Open Redirect Vulnerability", "descriptions": [{"lang": "en", "value": "Dify AI Workflow oauth_redirect_url Open Redirect Vulnerability. This vulnerability allows remote attackers to disclose sensitive information on affected installations of Dify. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.\n\nThe specific flaw exists within the OAuth flow handling in the AppInitializer component. An attacker can force a redirection to a site that serves malicious content. An attacker can leverage this vulnerability to disclose information in the context of the application. Was ZDI-CAN-29196."}], "affected": [{"vendor": "LangGenius", "product": "Dify", "versions": [{"version": "1.11.4", "status": "affected"}], "defaultStatus": "unknown"}], "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-601", "description": "CWE-601: URL Redirection to Untrusted Site ('Open Redirect')", "type": "CWE"}]}], "references": [{"url": "https://www.zerodayinitiative.com/advisories/ZDI-26-452/", "name": "ZDI-26-452", "tags": ["x_research-advisory"]}], "dateAssigned": "2026-07-29T17:01:32.415Z", "datePublic": "2026-07-29T17:02:48.933Z", "source": {"lang": "en", "value": "David Fiser & Alfredo Oliveira of TrendAI Research"}, "metrics": [{"format": "CVSS", "cvssV3_0": {"version": "3.0", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N", "baseScore": 5.4, "baseSeverity": "MEDIUM"}}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-07-29T19:36:10.678708Z", "id": "CVE-2026-18266", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-29T19:36:20.352Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-18266", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-07-29T19:36:10.678708Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-29T19:36:17.394Z"}}], "cna": {"title": "Dify AI Workflow oauth_redirect_url Open Redirect Vulnerability", "source": {"lang": "en", "value": "David Fiser & Alfredo Oliveira of TrendAI Research"}, "metrics": [{"format": "CVSS", "cvssV3_0": {"version": "3.0", "baseScore": 5.4, "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N"}}], "affected": [{"vendor": "LangGenius", "product": "Dify", "versions": [{"status": "affected", "version": "1.11.4"}], "defaultStatus": "unknown"}], "datePublic": "2026-07-29T17:02:48.933Z", "references": [{"url": "https://www.zerodayinitiative.com/advisories/ZDI-26-452/", "name": "ZDI-26-452", "tags": ["x_research-advisory"]}], "dateAssigned": "2026-07-29T17:01:32.415Z", "descriptions": [{"lang": "en", "value": "Dify AI Workflow oauth_redirect_url Open Redirect Vulnerability. This vulnerability allows remote attackers to disclose sensitive information on affected installations of Dify. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.\n\nThe specific flaw exists within the OAuth flow handling in the AppInitializer component. An attacker can force a redirection to a site that serves malicious content. An attacker can leverage this vulnerability to disclose information in the context of the application. Was ZDI-CAN-29196."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-601", "description": "CWE-601: URL Redirection to Untrusted Site ('Open Redirect')"}]}], "providerMetadata": {"orgId": "99f1926a-a320-47d8-bbb5-42feb611262e", "shortName": "zdi", "dateUpdated": "2026-07-29T19:05:20.221Z"}}}, "cveMetadata": {"cveId": "CVE-2026-18266", "state": "PUBLISHED", "dateUpdated": "2026-07-29T19:36:20.352Z", "dateReserved": "2026-07-29T17:01:32.386Z", "assignerOrgId": "99f1926a-a320-47d8-bbb5-42feb611262e", "datePublished": "2026-07-29T19:05:20.221Z", "assignerShortName": "zdi"}, "dataVersion": "5.2"}

{}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.11.4"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Dify", "source": "cna", "vendor": "LangGenius"}, "product": "dify", "vendor": "langgenius"}], "created": "2026-07-29T20:45:06.307738+00:00", "updated": "2026-07-29T20:45:06.307755+00:00", "vendors": ["langgenius", "langgenius$PRODUCT$dify"]}