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High

Security advisory

Type: advisorySources: OSVCVE: CVE-2026-28201

An improper input validation, together with an overly permissive default CORS configuration in Open Notebook v1.8.1 allows remote attacker to trick a legitimate user to alter or delete arbitrary database entries via specially crafted malicious URL. Depending on the deployment, data exfiltration is also possible.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2026-28201
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 12:08 UTC · Revision 1

Source evidence

CVE-2026-28201

core-osv · Original source

Published 7 May 2026, 11:16 UTC

An improper input validation, together with an overly permissive default CORS configuration in Open Notebook v1.8.1 allows remote attacker to trick a legitimate user to alter or delete arbitrary database entries via specially crafted malicious URL. Depending on the deployment, data exfiltration is also possible.

osv:CVE-2026-28201
Complete source record
{
  "id": "cb38250e9f307e95ddfc07d5359dc4a67b86aa2a3b83b64db84ea374d323cbc0",
  "url": "https://osv.dev/vulnerability/CVE-2026-28201",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2026-28201",
    "summary": "An improper input validation, together with an overly permissive default CORS configuration in Open Notebook v1.8.1 allows remote attacker to trick a legitimate user to alter or delete arbitrary database entries via specially crafted malicious URL. Depending on the deployment, data exfiltration is also possible.",
    "evidence": "osv:CVE-2026-28201",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-28201",
      "aliases": [
        "CVE-2026-28201",
        "GHSA-5wj9-f8q5-8f9c"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/lfnovo/open-notebook",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "89eac04c63e1a5e6d96e65747c0770243ae7e95b"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:lfnovo:open-notebook:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "1.8.3"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v1.8.1",
            "v1.8.0",
            "v1.7.4",
            "v1.7.3",
            "v1.7.2",
            "v1.7.1",
            "v1.7.0",
            "v1.6.2",
            "v1.5.0",
            "v1.4.0",
            "v1.3.1",
            "v1.3.0",
            "v1.2.4",
            "v1.2.0",
            "v1.0.8",
            "v0.3.2",
            "v0.3.1",
            "v0.3.0",
            "v0.2.2",
            "v0.2.0",
            "v0.1.1",
            "v0.1.0",
            "v0.0.10",
            "v0.0.9",
            "v0.0.8",
            "v0.0.7",
            "v0.0.5",
            "v0.0.4",
            "v0.0.3",
            "v0.0.2",
            "v0.0.1-alpha"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-28201.json"
          }
        }
      ],
      "modified": "2026-10-20T12:07:57.049129147Z",
      "provider": "osv",
      "references": [
        "https://github.com/lfnovo/open-notebook/security/advisories/GHSA-5wj9-f8q5-8f9c"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2026-28201",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 387252,
  "published_at": "2026-05-07T11:16:00.747+00:00"
}