CVE-2026-33587

Remote Code Execution (RCE) via Server-Side Template Injection (SSTI)

Published May 7, 2026 CVSS 4.0 · 9.2 Critical EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Open Notebook
Open Notebook open Notebook
Vendors & Products Open Notebook
Open Notebook open Notebook
Type Values Removed Values Added
First Time appeared Lfnovo
Lfnovo open-notebook
Weaknesses NVD-CWE-noinfo
CPEs cpe:2.3:a:lfnovo:open-notebook:*:*:*:*:*:*:*:*
Vendors & Products Lfnovo
Lfnovo open-notebook
Metrics cvssV3_1

{'score': 10.0, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H'}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Remote Code Execution (RCE) via Server-Side Template Injection (SSTI)
Weaknesses CWE-20
References
Metrics cvssV4_0

{'score': 9.2, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
ENISA
Published
Updated
May 7, 2026, 11:35 AM
Reserved
Mar 23, 2026, 12:53 PM
Status
Analyzed
Published
May 7, 2026, 11:16 AM
Modified
Nov 11, 2026, 11:10 PM