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Vulnerability record · CVE-2026-33589 · published 7 May 2026

CVE-2026-33589: Lfnovo open-notebook improper input validation vulnerability

LLfnovo · Open Notebook

Lack of user input validation in the file upload functionality of Open Notebook v1.8.3 allows the application user to access local files content from the docker container via path traversal.

8.2 CVSS 4.0 High EPSS 0.31% · top 79.1% CWE-20 · Improper input validation
8.2CVSS 4.0 base score
0.31%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

Description

Lack of user input validation in the file upload functionality of Open Notebook v1.8.3 allows the application user to access local files content from the docker container via path traversal.

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/lfnovo/open-notebook/security/advisories/GHSA-842v-h4cj-r646 MitigationVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-33589), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.