High severity · published May 7, 2026
CVE-2026-28201
SurrealDB Injection on Open Notebook
7.8
CVSS
0.1%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 4% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ON
Open Notebook · Open Notebook
through 1.8.2 · source: vendor
OP
Open-notebook · Lfnovo
before 1.8.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-28201
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-28201
Vendor Advisory
https://github.com/lfnovo/open-notebook/security/advisories/GHSA-5wj9-f8q5-8f9c
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