CVE-2026-33587

critical
Published 2026-05-07 · Modified 2026-05-07
CVSS v3
10.0
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS v2
VIR risk
10.0

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.

Predictions

Exploit likelihood
98%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: a6d3dc9e-0591-4a13-bce7-0f5b31ff6158 — https://github.com/lfnovo/open-notebook/security/advisories/GHSA-f35w-wx37-26q7

Application impact

VendorProductVersionsFixed
lfnovoopen-notebook{"endExcluding":"1.8.4"}1.8.4

References

CWEs

CWE-20

Verify integrity in audit chain (admin only). AS-IS.