{"id":"CVE-2025-59422","aliases":["EUVD-2025-31091","GHSA-jg5j-c9pq-w894"],"status":"published","title":"Dify Has Broken Access Control on Log Message Endpoint Allows Reading of Chats of Others","description":"Dify is an open-source LLM app development platform. In version 1.8.1, a broken access control vulnerability on the /console/api/apps/\u003cAPP_ID\u003echat-messages?conversation_id=\u003cCONVERSATION_ID\u003e\u0026limit=10 endpoint allows users in the same workspace to read chat messages of other users. A regular user is able to read the query data and the filename of the admins and probably other users chats, if they know the conversation_id. This impacts the confidentiality of chats. This issue has been patched in version 1.9.0.","severity":{"version":"4.0","score":6,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00252,"percentile":0.16852,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-284"],"published":"2025-09-25T13:19:11Z","modified":"2026-10-28T02:30:33Z","products":[{"vendor":"langgenius","product":"dify"}],"references":[{"url":"https://github.com/langgenius/dify/security/advisories/GHSA-jg5j-c9pq-w894","tags":["x_refsource_CONFIRM","exploit","Exploit","Vendor Advisory","advisory"]},{"url":"https://github.com/langgenius/dify/commit/b2d8a7eaf1693841411934e2056042845ab4f354","tags":["x_refsource_MISC","Patch","fix"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/59xxx/CVE-2025-59422.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-59422","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2025-59422","title":"Dify Has Broken Access Control on Log Message Endpoint Allows Reading of Chats of Others","description":"Dify is an open-source LLM app development platform. In version 1.8.1, a broken access control vulnerability on the /console/api/apps/\u003cAPP_ID\u003echat-messages?conversation_id=\u003cCONVERSATION_ID\u003e\u0026limit=10 endpoint allows users in the same workspace to read chat messages of other users. A regular user is able to read the query data and the filename of the admins and probably other users chats, if they know the conversation_id. This impacts the confidentiality of chats. This issue has been patched in version 1.9.0.","status":"published","published":"2025-09-25T13:19:11.385Z","modified":"2025-09-25T15:14:52.506Z","cvss":[{"version":"4.0","score":6,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T14:32:47.812946Z"}],"euvd":[{"id":"EUVD-2025-31091","description":"Dify is an open-source LLM app development platform. In version 1.8.1, a broken access control vulnerability on the /console/api/apps/\u003cAPP_ID\u003echat-messages?conversation_id=\u003cCONVERSATION_ID\u003e\u0026limit=10 endpoint allows users in the same workspace to read chat messages of other users. A regular user is able to read the query data and the filename of the admins and probably other users chats, if they know the conversation_id. This impacts the confidentiality of chats. This issue has been patched in version 1.9.0.","status":"published","published":"2025-09-25T13:19:11Z","modified":"2025-09-25T15:14:52Z","cvss":[{"version":"4.0","score":6,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T20:31:39.520931Z"}],"nvd":[{"id":"CVE-2025-59422","description":"Dify is an open-source LLM app development platform. In version 1.8.1, a broken access control vulnerability on the /console/api/apps/\u003cAPP_ID\u003echat-messages?conversation_id=\u003cCONVERSATION_ID\u003e\u0026limit=10 endpoint allows users in the same workspace to read chat messages of other users. A regular user is able to read the query data and the filename of the admins and probably other users chats, if they know the conversation_id. This impacts the confidentiality of chats. This issue has been patched in version 1.9.0.","status":"published","published":"2025-09-25T14:15:45.677Z","modified":"2026-10-11T20:10:00.2Z","cvss":[{"version":"4.0","score":6,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/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","level":"medium","assessor":"secondary"},{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T14:11:32.559087Z"}],"osv":[{"id":"CVE-2025-59422","title":"Dify Has Broken Access Control on Log Message Endpoint Allows Reading of Chats of Others","description":"Dify is an open-source LLM app development platform. In version 1.8.1, a broken access control vulnerability on the /console/api/apps/\u003cAPP_ID\u003echat-messages?conversation_id=\u003cCONVERSATION_ID\u003e\u0026limit=10 endpoint allows users in the same workspace to read chat messages of other users. A regular user is able to read the query data and the filename of the admins and probably other users chats, if they know the conversation_id. This impacts the confidentiality of chats. This issue has been patched in version 1.9.0.","status":"published","published":"2025-09-25T13:19:11.385Z","modified":"2026-10-28T02:30:33.157391278Z","cvss":[{"version":"4.0","score":6,"vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T15:44:51.190588Z"}]}}