CVE-2026-28201: An improper input validation, together with an overly permissive default CORS configuration in Open Notebook v1.8.1…
CVE-2026-28201 · Severity: high · CVSS 7.8 · Published 2026-05-07
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.
No. Junglewise Threat Intelligence has no report of CVE-2026-28201 being exploited in the wild.
How severe is CVE-2026-28201?
High severity, with a CVSS score of 7.8, published 7 May 2026.
Which products and versions are affected?
Lfnovo Open Notebook. The advisory does not name versions.
Is there a fix for CVE-2026-28201?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2026-28201?
Check whether you run Lfnovo Open Notebook. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.