CVE•Published 2026-05-07•Modified 2026-05-07•0 articles on news•5 live references•NVD data

CVE-2026-28201Lfnovo · Open-notebook

Vulnerability data via NVD (ingested)

CVSS v3.1

7.8

HIGH

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

EPSS percentile

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Weaknesses (CWE)

CWE-20Improper Input Validation CWE-352Cross-Site Request Forgery (CSRF)CWE-917Improper Neutralization of Special Elements used in an Expression Language Statement ('Expression Language Injection')

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.

Timeline

Published 2026-05-07

Modified 2026-05-07

External references

NVD MITRE Exploit-DB Sploitus VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag0 hosts

vuln:CVE-2026-28201

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · product

product:"Lfnovo Open-notebook"

All exposed Lfnovo Open-notebook instances — cross-reference with the CVE's affected-version range.

Shodan · banner/body mention

http.html:"Open-notebook"

HTTP body or banner mentions "Open-notebook" — catches deploys Shodan didn't identify as a product.

More intel sources (5)

Shodan report

vuln:CVE-2026-28201