{"id":"CVE-2025-63388","title":"A Cross-Origin Resource Sharing (CORS) misconfiguration vulnerability exists in Dify v1.9.1 in the /console/api/system-features endpoint","summary":"A Cross-Origin Resource Sharing (CORS) misconfiguration vulnerability exists in Dify v1.9.1 in the /console/api/system-features endpoint. The endpoint implements an overly permissive CORS policy that reflects arbitrary Origin headers and…","severity":"critical","cvss":9.1,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","cwe":["CWE-346"],"vendor":"langgenius","product":"dify","affected":["dify = 1.9.1"],"published":"2025-12-18","updated":"2026-10-13","sourceUpdated":"2026-10-13T11:10:00.203","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-63388","references":[{"url":"https://gist.github.com/Cristliu/5ded6d03e41d7d66ecb1b568bae3ff6c","label":"cve@mitre.org"},{"url":"https://gist.github.com/Cristliu/c2bc7d05abd89db8eb542a453a528d77","label":"cve@mitre.org"},{"url":"https://github.com/langgenius/dify/discussions","label":"cve@mitre.org"}],"tags":["nvd"],"epss":0.00222,"epssPercentile":0.11711,"ingestedAt":"2026-10-13T11:23:51.134Z","slug":"CVE-2025-63388","body":"## Overview\n\nA Cross-Origin Resource Sharing (CORS) misconfiguration vulnerability exists in Dify v1.9.1 in the /console/api/system-features endpoint. The endpoint implements an overly permissive CORS policy that reflects arbitrary Origin headers and sets Access-Control-Allow-Credentials: true, allowing any external domain to make authenticated cross-origin requests. NOTE: the Supplier disputes this, providing the rationale of \"sending requests with credentials does not provide any additional access compared to unauthenticated requests.\"\n\n## Affected\n\n- `dify = 1.9.1`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":50,"depthScoreParts":{"impact":50.1,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}