{"id":"CVE-2026-40346","aliases":["EUVD-2026-23613","GHSA-mvvv-v22x-xqwp"],"status":"published","title":"NocoBase has SSRF in Workflow HTTP Request and Custom Request Plugins","description":"NocoBase is an AI-powered no-code/low-code platform for building business applications and enterprise solutions. Prior to version 2.0.37, NocoBase's workflow HTTP request plugin and custom request action plugin make server-side HTTP requests to user-provided URLs without any SSRF protection. An authenticated user can access internal network services, cloud metadata endpoints, and localhost. Version 2.0.37 contains a patch.","severity":{"version":"4.0","score":6.4,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00384,"percentile":0.32751,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-918"],"published":"2026-04-15T19:43:50Z","modified":"2026-10-28T02:30:51Z","fixes":[{"ecosystem":"npm","package":"@nocobase/plugin-workflow-request","fixed_in":["2.0.37"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"@nocobase/plugin-workflow-request","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.37"}]}]},{"source":"osv","ecosystem":"npm","package":"@nocobase/plugin-workflow-request","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2.0.37"}]}]}],"products":[{"vendor":"nocobase","product":"@nocobase/plugin-workflow-request"},{"vendor":"nocobase","product":"nocobase"}],"references":[{"url":"https://github.com/nocobase/nocobase/security/advisories/GHSA-mvvv-v22x-xqwp","tags":["x_refsource_CONFIRM","Exploit","Vendor Advisory","advisory","web"]},{"url":"https://github.com/nocobase/nocobase/pull/9079","tags":["x_refsource_MISC","Exploit","Patch","fix","web"]},{"url":"https://github.com/nocobase/nocobase/commit/2853368243ed07339c62c548b7d475f4eeaada59","tags":["x_refsource_MISC","Patch","fix","web"]},{"url":"https://github.com/nocobase/nocobase/releases/tag/v2.0.37","tags":["x_refsource_MISC","Release Notes","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-40346","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-mvvv-v22x-xqwp"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/40xxx/CVE-2026-40346.json","tags":["advisory"]},{"url":"https://github.com/nocobase/nocobase","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-40346","title":"NocoBase has SSRF in Workflow HTTP Request and Custom Request Plugins","description":"NocoBase is an AI-powered no-code/low-code platform for building business applications and enterprise solutions. Prior to version 2.0.37, NocoBase's workflow HTTP request plugin and custom request action plugin make server-side HTTP requests to user-provided URLs without any SSRF protection. An authenticated user can access internal network services, cloud metadata endpoints, and localhost. Version 2.0.37 contains a patch.","status":"published","published":"2026-04-17T23:54:34.829Z","modified":"2026-04-20T14:56:12.829Z","cvss":[{"version":"4.0","score":6.4,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N","level":"medium","assessor":"cna"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T13:43:22.599321Z"}],"euvd":[{"id":"EUVD-2026-23613","description":"NocoBase is an AI-powered no-code/low-code platform for building business applications and enterprise solutions. Prior to version 2.0.37, NocoBase's workflow HTTP request plugin and custom request action plugin make server-side HTTP requests to user-provided URLs without any SSRF protection. An authenticated user can access internal network services, cloud metadata endpoints, and localhost. Version 2.0.37 contains a patch.","status":"published","published":"2026-04-17T23:54:34Z","modified":"2026-04-20T14:56:12Z","cvss":[{"version":"4.0","score":6.4,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N","level":"medium"}],"updated_at":"2026-11-02T19:24:22.924744Z"}],"ghsa":[{"id":"GHSA-mvvv-v22x-xqwp","title":"NocoBase has SSRF in Workflow HTTP Request and Custom Request Plugins","description":"## Summary\n\nNocoBase's workflow HTTP request plugin and custom request action plugin make server-side HTTP requests to user-provided URLs without any SSRF protection. An authenticated user can access internal network services, cloud metadata endpoints, and localhost.\n\n## Vulnerable Code\n\n### 1. Workflow HTTP Request Plugin\n\n**`packages/plugins/@nocobase/plugin-workflow-request/src/server/RequestInstruction.ts` lines 117-128:**\n```typescript\nreturn axios.request({\n  url: trim(url),  // User-controlled, no validation\n  method,\n  headers,\n  params,\n  timeout,\n  ...(method.toLowerCase() !== 'get' \u0026\u0026 data != null\n    ? { data: transformer ? await transformer(data) : data }\n    : {}),\n});\n```\n\nThe `url` at line 98 comes directly from user workflow configuration with only whitespace trimming.\n\n### 2. Custom Request Action Plugin\n\n**`packages/plugins/@nocobase/plugin-action-custom-request/src/server/actions/send.ts` lines 172-198:**\n```typescript\nconst axiosRequestConfig = {\n  baseURL: ctx.origin,\n  ...options,\n  url: getParsedValue(url, variables),  // User-controlled via template\n  headers: { ... },\n  params: getParsedValue(arrayToObject(params), variables),\n  data: getParsedValue(toJSON(data), variables),\n};\nconst res = await axios(axiosRequestConfig);  // No IP validation\n```\n\n## Missing Protections\n\n- No `request-filtering-agent` or SSRF library (confirmed via grep across entire codebase)\n- No private IP range filtering\n- No cloud metadata endpoint blocking\n- No URL scheme validation\n- No DNS rebinding protection\n\n## Attack Scenario\n\n1. Authenticated user creates a workflow with HTTP Request node\n2. Sets URL to `http://169.254.169.254/latest/meta-data/iam/security-credentials/`\n3. Triggers the workflow\n4. Server fetches AWS metadata and returns IAM credentials in workflow execution logs\n\nAlternatively via Custom Request action:\n1. Create custom request with URL `http://127.0.0.1:5432` or `http://10.0.0.1:8080/admin`\n2. Execute the action\n3. Server makes request to internal service\n\n## Impact\n\n- **Cloud metadata theft**: AWS/GCP/Azure credentials via metadata endpoints\n- **Internal network access**: Scan and interact with services on private IP ranges\n- **Database access**: Connect to localhost databases (PostgreSQL, Redis, etc.)\n- **Authentication required**: Yes (authenticated user), but any workspace member can create workflows","status":"published","published":"2026-04-15T19:43:50Z","modified":"2026-05-14T20:39:09Z","cvss":[{"version":"4.0","score":6.4,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N","level":"medium"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T14:40:09.033429Z"}],"nvd":[{"id":"CVE-2026-40346","description":"NocoBase is an AI-powered no-code/low-code platform for building business applications and enterprise solutions. Prior to version 2.0.37, NocoBase's workflow HTTP request plugin and custom request action plugin make server-side HTTP requests to user-provided URLs without any SSRF protection. An authenticated user can access internal network services, cloud metadata endpoints, and localhost. Version 2.0.37 contains a patch.","status":"published","published":"2026-04-18T00:16:38.36Z","modified":"2026-10-26T22:10:00.163Z","cvss":[{"version":"4.0","score":6.4,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/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":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T14:12:15.120927Z"}],"osv":[{"id":"CVE-2026-40346","title":"NocoBase has SSRF in Workflow HTTP Request and Custom Request Plugins","description":"NocoBase is an AI-powered no-code/low-code platform for building business applications and enterprise solutions. Prior to version 2.0.37, NocoBase's workflow HTTP request plugin and custom request action plugin make server-side HTTP requests to user-provided URLs without any SSRF protection. An authenticated user can access internal network services, cloud metadata endpoints, and localhost. Version 2.0.37 contains a patch.","status":"published","published":"2026-04-17T23:54:34.829Z","modified":"2026-10-28T02:30:51.448541624Z","cvss":[{"version":"4.0","score":6.4,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N","level":"medium"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T15:45:03.424067Z"},{"id":"GHSA-mvvv-v22x-xqwp","title":"NocoBase has SSRF in Workflow HTTP Request and Custom Request Plugins","description":"## Summary\n\nNocoBase's workflow HTTP request plugin and custom request action plugin make server-side HTTP requests to user-provided URLs without any SSRF protection. An authenticated user can access internal network services, cloud metadata endpoints, and localhost.\n\n## Vulnerable Code\n\n### 1. Workflow HTTP Request Plugin\n\n**`packages/plugins/@nocobase/plugin-workflow-request/src/server/RequestInstruction.ts` lines 117-128:**\n```typescript\nreturn axios.request({\n  url: trim(url),  // User-controlled, no validation\n  method,\n  headers,\n  params,\n  timeout,\n  ...(method.toLowerCase() !== 'get' \u0026\u0026 data != null\n    ? { data: transformer ? await transformer(data) : data }\n    : {}),\n});\n```\n\nThe `url` at line 98 comes directly from user workflow configuration with only whitespace trimming.\n\n### 2. Custom Request Action Plugin\n\n**`packages/plugins/@nocobase/plugin-action-custom-request/src/server/actions/send.ts` lines 172-198:**\n```typescript\nconst axiosRequestConfig = {\n  baseURL: ctx.origin,\n  ...options,\n  url: getParsedValue(url, variables),  // User-controlled via template\n  headers: { ... },\n  params: getParsedValue(arrayToObject(params), variables),\n  data: getParsedValue(toJSON(data), variables),\n};\nconst res = await axios(axiosRequestConfig);  // No IP validation\n```\n\n## Missing Protections\n\n- No `request-filtering-agent` or SSRF library (confirmed via grep across entire codebase)\n- No private IP range filtering\n- No cloud metadata endpoint blocking\n- No URL scheme validation\n- No DNS rebinding protection\n\n## Attack Scenario\n\n1. Authenticated user creates a workflow with HTTP Request node\n2. Sets URL to `http://169.254.169.254/latest/meta-data/iam/security-credentials/`\n3. Triggers the workflow\n4. Server fetches AWS metadata and returns IAM credentials in workflow execution logs\n\nAlternatively via Custom Request action:\n1. Create custom request with URL `http://127.0.0.1:5432` or `http://10.0.0.1:8080/admin`\n2. Execute the action\n3. Server makes request to internal service\n\n## Impact\n\n- **Cloud metadata theft**: AWS/GCP/Azure credentials via metadata endpoints\n- **Internal network access**: Scan and interact with services on private IP ranges\n- **Database access**: Connect to localhost databases (PostgreSQL, Redis, etc.)\n- **Authentication required**: Yes (authenticated user), but any workspace member can create workflows","status":"published","published":"2026-04-15T19:43:50Z","modified":"2026-05-14T20:47:41.903716Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"},{"version":"4.0","score":6.4,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N","level":"medium"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T15:46:52.170928Z"}]}}