CVE-2026-28201: SurrealDB Injection on Open Notebook

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-05-07 · updated 2026-06-17
Weakness: CWE-20

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.

Affected products

Open Notebook: before 1.8.3 — fixed in 1.8.3

How to fix

Upgrade to a fixed version: Open Notebook 1.8.3. Check the vendor advisory for mitigations.

References

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

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