CVE-2026-33587

Critical · 10.0

CVSS

10.0

EPSS

0.4%

Published

May 7, 2026

CISA due date

—

The record

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.

Affected packages

Ecosystem	Package	Introduced	Fixed