CVE-2026-28201
High · 7.8CVSS
7.8
EPSS
0.2%
Published
May 7, 2026
CISA due date
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The record
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.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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