Path Traversal Vulnerability in Open Notebook by LF Novo
CVE-2026-33588

7HIGH

Key Information:

Vendor

Open Notebook

Status
Open Notebook
Vendor
CVE Published:
7 May 2026

What is CVE-2026-33588?

The Open Notebook application version 1.8.3 suffers from a path traversal vulnerability due to insufficient user input validation in its file upload functionality. This flaw allows users to manipulate file paths, which could lead to unauthorized file creation or modification within the Docker container environment. As a result, an attacker could exploit this vulnerability to gain access to sensitive data or perform unauthorized operations on the system.

Affected Version(s)

Open Notebook 0 <= 1.8.3

References

https://github.com/lfnovo/open-notebook/security/advisori...
vendor-advisory

CVSS V4

Score:
7
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

CERT-EU
.