SiYuan: Outline state for any document, including documents forbidden to readers, is returned by /api/storage/getOutlineStorage with no access check

{
  "id": "7d8454446acfe2c80db268d7c49e8471e17e5d59726047fa604125fcc5901645",
  "url": "https://osv.dev/vulnerability/GHSA-53fp-9jmv-227g",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "SiYuan: Outline state for any document, including documents forbidden to readers, is returned by /api/storage/getOutlineStorage with no access check",
    "summary": "### Summary `/api/storage/getOutlineStorage` is registered with `CheckAuth` only and performs no authorization of any kind. Given a document identifier it returns that document's stored outline state, regardless of the document's publish tier. The two write endpoints for the same data, `setOutlineStorage` and `removeOutlineStorage`, both carry `CheckAdminRole` and `CheckReadonly`. Only the read path is unguarded. ### Details **Routes.** `kernel/api/router.go:103` on master, `:108` on the development branch: ```go ginServer.Handle(\"POST\", \"/api/storage/getOutlineStorage\", model.CheckAuth, getOutlineStorage) ginServer.Handle(\"POST\", \"/api/storage/setOutlineStorage\", model.CheckAuth, model.CheckAdminRole, model.CheckReadonly, setOutlineStorage) ginServer.Handle(\"POST\", \"/api/storage/removeOutlineStorage\", model.CheckAuth, model.CheckAdminRole, model.CheckReadonly, removeOutlineStorage) ``` **Handler.** `kernel/api/storage.go:466` on the development branch, `:469` on master, identical. It binds `docID` and calls `model.GetOutlineStorage(docID)`, which iterates the stored outline documents and returns the entry whose `DocID` matches. There is no filter function on this path at all: no `*gin.Context`, no publish-access check, no password check, no visibility check. The caller supplies the identifier and receives the payload. **What is stored.** `type OutlineDoc { DocID string; Data map[string]any }`. The client writes it from `app/src/layout/dock/Outline.ts:742`: ```js fetchPost(\"/",
    "evidence": "osv:GHSA-53fp-9jmv-227g",
    "products": [
      {
        "name": {
          "value": "github.com/siyuan-note/siyuan/kernel",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "0.0.0-20260812083335-251596fc0de2",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "medium",
    "structured": {
      "id": "GHSA-53fp-9jmv-227g",
      "aliases": [
        "CVE-2026-73607",
        "GHSA-53fp-9jmv-227g",
        "GO-2026-6624"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "SEMVER",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "0.0.0-20260812083335-251596fc0de2"
                }
              ]
            }
          ],
          "package": {
            "name": "github.com/siyuan-note/siyuan/kernel",
            "purl": "pkg:golang/github.com/siyuan-note/siyuan/kernel",
            "ecosystem": "Go"
          },
          "database_specific": {
            "source": "https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/10/GHSA-53fp-9jmv-227g/GHSA-53fp-9jmv-227g.json"
          }
        }
      ],
      "modified": "2026-10-07T17:55:52.092112335Z",
      "provider": "osv",
      "references": [
        "https://github.com/siyuan-note/siyuan/security/advisories/GHSA-53fp-9jmv-227g",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-73607",
        "https://github.com/siyuan-note/siyuan",
        "https://github.com/siyuan-note/siyuan/releases/tag/v3.8.0",
        "https://www.vulncheck.com/advisories/siyuan-before-information-disclosure-via-getoutlinestorage"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-862"
        ],
        "severity": "MODERATE",
        "github_reviewed": true,
        "nvd_published_at": null,
        "github_reviewed_at": "2026-10-01T15:44:46Z"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-73607",
        "evidence": "/aliases"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 97132,
  "published_at": "2026-10-01T15:44:46+00:00"
}

{
  "id": "5c90f6ae2c2e1158324422f2cf4a2fbf1efbc1aab5c46eb568c3de7868222fcf",
  "url": "https://osv.dev/vulnerability/GO-2026-6624",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "SiYuan: Outline state for any document, including documents forbidden to readers, is returned by /api/storage/getOutlineStorage with no access check in github.com/siyuan-note/siyuan/kernel",
    "summary": "SiYuan: Outline state for any document, including documents forbidden to readers, is returned by /api/storage/getOutlineStorage with no access check in github.com/siyuan-note/siyuan/kernel",
    "evidence": "osv:GO-2026-6624",
    "products": [
      {
        "name": {
          "value": "github.com/siyuan-note/siyuan/kernel",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "0.0.0-20260812083335-251596fc0de2",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "GO-2026-6624",
      "aliases": [
        "CVE-2026-73607",
        "GHSA-53fp-9jmv-227g",
        "GO-2026-6624"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "SEMVER",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "0.0.0-20260812083335-251596fc0de2"
                }
              ]
            }
          ],
          "package": {
            "name": "github.com/siyuan-note/siyuan/kernel",
            "purl": "pkg:golang/github.com/siyuan-note/siyuan/kernel",
            "ecosystem": "Go"
          },
          "database_specific": {
            "source": "https://vuln.go.dev/ID/GO-2026-6624.json"
          },
          "ecosystem_specific": {}
        }
      ],
      "modified": "2026-10-07T17:45:13.476583334Z",
      "provider": "osv",
      "references": [
        "https://github.com/siyuan-note/siyuan/security/advisories/GHSA-53fp-9jmv-227g",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-73607",
        "https://github.com/siyuan-note/siyuan/releases/tag/v3.8.0",
        "https://www.vulncheck.com/advisories/siyuan-before-information-disclosure-via-getoutlinestorage"
      ],
      "provider_metadata": {
        "url": "https://pkg.go.dev/vuln/GO-2026-6624",
        "review_status": "UNREVIEWED"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-73607",
        "evidence": "/aliases"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 97108,
  "published_at": "2026-10-07T14:09:59+00:00"
}