CVE-2026-93591

{
  "etk_id": "ETK-2026-458",
  "cve_id": "CVE-2026-93591",
  "display_id": "CVE-2026-93591",
  "ghsa_id": "GHSA-4m3r-2vx9-4x56",
  "euvd_id": "EUVD-2026-82910",
  "status": "published",
  "anchor_state": "anchored",
  "title": "SQL injection in SiYuan kernel graph queries",
  "summary": "SiYuan kernel versions through 3.8.2 mishandle tag input used by graph queries, allowing SQL injection. A publish-mode reader can use the issue to access private data from other unencrypted notebooks; anonymous access is also exposed when publish authentication is disabled.",
  "mitigation": "Upgrade the SiYuan kernel to v3.8.3 or later. Until upgraded, disable public publishing or require publish authentication to reduce unauthenticated exposure.",
  "vendor": "go",
  "product": "go:github.com/siyuan-note/siyuan/kernel",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        "<= 3.8.2"
      ],
      "ecosystem": "go",
      "fixed_versions": [
        "v3.8.3"
      ],
      "package_name": "github.com/siyuan-note/siyuan/kernel",
      "purl": "pkg:golang/github.com/siyuan-note/siyuan/kernel"
    }
  ],
  "cwes": [
    89
  ],
  "cvss_score": 7.6,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L",
  "epss_score": 0.0032,
  "epss_percentile": 0.2311,
  "epss_asof": "2026-10-20",
  "automation": "contextual",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 15.502349333333333,
  "t0_at": "2026-09-18T13:20:04.684000+00:00",
  "signals": {
    "public_poc": {
      "at": "2026-09-04T02:40:28+00:00",
      "days": -14.444174583333334,
      "is_lower_bound": false,
      "measured_at": "2026-09-18T13:20:04.684000+00:00",
      "url": "https://github.com/siyuan-note/siyuan/security/advisories/GHSA-5rwv-4j4c-f954"
    },
    "trigger_signal": {
      "at": "2026-09-18T13:20:04.684000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-09-18T13:20:04.684000+00:00",
      "url": "https://github.com/siyuan-note/siyuan/security/advisories/GHSA-5rwv-4j4c-f954"
    }
  }
}