CVE-2026-28201

HighCVSS 7.8/10Last modified Nov 11, 2026

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.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-20 CWE-352 CWE-917

Affected software

Vendor	Product	Versions
Open Notebook	Open Notebook	<= 1.8.2

References

https://github.com/lfnovo/open-notebook/security/advisories/GHSA-5wj9-f8q5-8f9cVendor Advisory

Timeline

Published: May 7, 2026
Last modified: Nov 11, 2026
NVD status: Analyzed

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