CVE-2026-28201

8.7 highEPSS 0.1%

High (8.7) in lfnovo open-notebook. EPSS 0.1% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

8.7 high

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS 3.1

7.8 high

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

EPSS: 0.1% chance of exploitation in the next 30 days; higher than 3% of CVEs (scores of 2026-10-31)
CWEs: CWE-20, CWE-352, CWE-917
Published: 2026-05-07
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

lfnovo:open-notebook

References

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

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