In Jupyter Notebook before 5.7.8, an open redirect can occur via an empty netloc.
Priority LOW 30CWE-601Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Spoofing
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub. Impact type from CWE-601.
Summary
In Jupyter Notebook before 5.7.8, an open redirect can occur via an empty netloc. This issue exists because of an incomplete fix for CVE-2019-10255.
Why it matters now
EPSS 0.01264 69th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed notebook (PyPI): 5.7.8
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | notebook (PyPI) | before 5.7.8 | 5.7.8 | Patch available | GHSA-rcx2-m7jp-p9wj |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- notebook (PyPI) Vendor— Affected before 5.7.8 Fixed in 5.7.8 Patch available GHSA-rcx2-m7jp-p9wj
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:jupyter:notebook:*:*:*:*:*:*:*:* | before 5.7.8 | Vulnerable | jupyterlab |
- cpe:2.3:a:jupyter:notebook:*:*:*:*:*:*:*:* Versions before 5.7.8 Vulnerable ·jupyterlab
Remediation
- Fix · GHSA-rcx2-m7jp-p9wj notebook (PyPI) Fixed in 5.7.8 Advisory →
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2019-10856
- 2026-10-03 Alias added: GHSA-rcx2-m7jp-p9wj
References
More jupyterlab Notebook vulnerabilities
- TI-2021-12464 Failure to Sanitize Special Elements into a Different Plane (Special Element Injection) in notebook CVSS 3.1CRITICAL 10.0
- TI-2022-08572 Insertion of Sensitive Information into Log File affects Jupyter Notebook CVSS 3.1HIGH 7.5
- TI-2026-30837 jupyterlab: Command linker attributes in HTML enable one-click command execution from untrusted content CVSS 4.0HIGH 8.6
- TI-2018-06323 In Jupyter Notebook before 5.4.1, a maliciously forged notebook file can bypass… CVSS 3.0HIGH 7.8
- TI-2015-06101 The editor in IPython Notebook before 3.2.2 and Jupyter Notebook 4.0.x before 4.0.5… CVSS 2.0MEDIUM 6.8
- TI-2024-14994 Potential authentication and CSRF tokens leak in JupyterLab CVSS 3.1HIGH 7.6
Sources
- CVE-2019-10856 · CVE Program
- CVE-2019-10856 · NVD
- FIRST EPSS
- GHSA-rcx2-m7jp-p9wj · GitHub Advisory Database · CC BY 4.0
- CVE-2019-10856 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences