CVE-2026-28201

Summary

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 Software

Weaknesses

• CWE-20: CWE-20 Improper input validation
• CWE-917: CWE-917 Improper neutralization of special elements used in an expression language statement ('expression language injection')
• CWE-352: CWE-352 Cross-Site request forgery (CSRF)

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: total

References

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

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