JupyterHub 1.1.0 allows CSRF in the admin panel via a request that lacks an _xsrf field…
Priority LOW 21CWE-352Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Tampering
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-352.
Summary
JupyterHub 1.1.0 allows CSRF in the admin panel via a request that lacks an _xsrf field, as demonstrated by a /hub/api/user request (to add or remove a user account).
Why it matters now
EPSS 0.0051 43rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed jupyterhub (PyPI): 1.2.0b1
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 |
| — | jupyterhub (PyPI) | before 1.2.0b1 | 1.2.0b1 | Patch available | GHSA-7xx3-qp5w-fw96 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- jupyterhub (PyPI) Vendor— Affected before 1.2.0b1 Fixed in 1.2.0b1 Patch available GHSA-7xx3-qp5w-fw96
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:jupyter:jupyterhub:1.1.0:-:*:*:*:*:*:* | 1.1.0 | Vulnerable | jupyterlab |
- cpe:2.3:a:jupyter:jupyterhub:1.1.0:-:*:*:*:*:*:* Versions 1.1.0 Vulnerable ·jupyterlab
Remediation
- Fix · GHSA-7xx3-qp5w-fw96 jupyterhub (PyPI) Fixed in 1.2.0b1 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2020-36191
- 2026-10-03 Alias added: GHSA-7xx3-qp5w-fw96
References
Advisory 3
More jupyterlab Jupyterhub vulnerabilities
- TI-2024-18792 XSS in JupyterHub via Self-XSS leveraged by Cookie Tossing CVSS 3.1HIGH 8.1
- TI-2021-18082 incomplete logout in JupyterHub CVSS 3.1HIGH 7.5
- TI-2024-27964 JupyterHub has a privilege escalation vulnerability with the `admin:users` scope CVSS 3.1HIGH 7.2
- TI-2019-07569 An Open Redirect vulnerability for all browsers in Jupyter Notebook before 5.7.7 and some… CVSS 3.0MEDIUM 6.1
- TI-2026-29520 JupyterHub: Cross-origin form POSTs bypass XSRF CVSS 3.1MEDIUM 5.4
- TI-2026-26088 JupyterHub has an Open Redirect Vulnerability CVSS 4.0MEDIUM 5.1
Sources
- CVE-2020-36191 · CVE Program
- CVE-2020-36191 · NVD
- FIRST EPSS
- GHSA-7xx3-qp5w-fw96 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences