CVE-2026-28201

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.

References

• https://github.com/lfnovo/open-notebook/security/advisories/GHSA-5wj9-f8q5-8f9c