High
Security advisory
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
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"
}