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CRITICAL · 10.0

CVE-2026-33587

Lack of user input sanitisation in Open Notebook v1.8.3 allows the application user to execute Python code (and subsequently OS commands) on the docker container via Server-Side Template Injection (SS...

Vulnerability Description

Lack of user input sanitisation in Open Notebook v1.8.3 allows the application user to execute Python code (and subsequently OS commands) on the docker container via Server-Side Template Injection (SSTI) for user-created transformations.

CVSS Score

10.0

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
LfnovoOpen-Notebook< 1.8.4

Related Weaknesses (CWE)

CWE-20

References

FAQ

What is CVE-2026-33587?

CVE-2026-33587 is a vulnerability with a CVSS score of 10.0 (CRITICAL). Lack of user input sanitisation in Open Notebook v1.8.3 allows the application user to execute Python code (and subsequently OS commands) on the docker container via Server-Side Template Injection (SS...

How severe is CVE-2026-33587?

CVE-2026-33587 has been rated CRITICAL with a CVSS base score of 10.0/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-33587?

Check the references section above for vendor advisories and patch information. Affected products include: Lfnovo Open-Notebook.