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Vendor/product archive

jupyter / jupyter_server CVEs

Beta · best-effort

15 CVEs tagged to jupyter / jupyter_server1 Critical, 8 High, 5 Medium, 1 Low, 0 Unrated.

CVE-2026-44727

Published Jun 22, 2026

Jupyter Server is the backend for Jupyter web applications. Prior to 2.20, the nbconvert HTTP handlers in jupyter_server render user-authored notebook HTML under the Jupyter origi…

CVSS 9.3 · Critical
evidence mentions
6
Buzz score
32.5
Vendor/product tagsBeta · best-effort

CVE-2026-6657

Published Jun 3, 2026

A vulnerability in jupyter-server versions 1.12.0 through 2.17.0 allows an attacker to bypass CORS origin validation when the `allow_origin_pat` configuration is used. The issue a…

CVSS 8.8 · High
evidence mentions
1
Buzz score
11.9
Vendor/product tagsBeta · best-effort

CVE-2026-5422

Published Jun 2, 2026

A path traversal vulnerability exists in jupyter-server version 2.17.0 due to an incorrect root directory boundary check in the _get_os_path() function within jupyter_server/servi…

CVSS 8.1 · High
evidence mentions
1
Buzz score
11.9
Vendor/product tagsBeta · best-effort

CVE-2026-40934

Published May 5, 2026

Jupyter Server is the backend for Jupyter web applications. In versions 2.17.0 and earlier, the secret used to sign authentication cookies is persisted to a static file at ~/.loca…

CVSS 7.6 · High
evidence mentions
1
Buzz score
11.9
Vendor/product tagsBeta · best-effort

CVE-2026-40110

Published May 5, 2026

Jupyter Server is the backend for Jupyter web applications. In versions 2.17.0 and earlier, the Origin header validation uses Python's re.match() to check incoming origins against…

CVSS 7.6 · High
evidence mentions
8
Buzz score
35.0
Vendor/product tagsBeta · best-effort

CVE-2026-35397

Published May 5, 2026

Jupyter Server is the backend for Jupyter web applications. In versions 2.17.0 and earlier, a path traversal vulnerability in the REST API allows an authenticated user to escape t…

CVSS 7.6 · High
evidence mentions
5
Buzz score
30.9
Vendor/product tagsBeta · best-effort

CVE-2025-61669

Published May 5, 2026

Jupyter Server is the backend for Jupyter web applications. In jupyter_server versions through 2.17.0, the next query parameter in the login flow is insufficiently validated in `L…

CVSS 6.3 · Medium
evidence mentions
1
Buzz score
11.9
Vendor/product tagsBeta · best-effort

CVE-2024-35178

Published Jun 6, 2024

The Jupyter Server provides the backend for Jupyter web applications. Jupyter Server on Windows has a vulnerability that lets unauthenticated attackers leak the NTLMv2 password ha…

CVSS 7.5 · High
evidence mentions
2
Buzz score
21.0
Vendor/product tagsBeta · best-effort

CVE-2023-49080

Published Dec 4, 2023

The Jupyter Server provides the backend (i.e. the core services, APIs, and REST endpoints) for Jupyter web applications like Jupyter notebook, JupyterLab, and Voila. Unhandled err…

CVSS 3.5 · Low
Vendor/product tagsBeta · best-effort

CVE-2023-40170

Published Aug 28, 2023

jupyter-server is the backend for Jupyter web applications. Improper cross-site credential checks on `/files/` URLs could allow exposure of certain file contents, or accessing fil…

CVSS 4.6 · Medium
Vendor/product tagsBeta · best-effort

CVE-2023-39968

Published Aug 28, 2023

jupyter-server is the backend for Jupyter web applications. Open Redirect Vulnerability. Maliciously crafted login links to known Jupyter Servers can cause successful login or an…

CVSS 4.3 · Medium
Vendor/product tagsBeta · best-effort

CVE-2022-29241

Published Jun 14, 2022

Jupyter Server provides the backend (i.e. the core services, APIs, and REST endpoints) for Jupyter web applications like Jupyter Notebook. Prior to version 1.17.1, if notebook ser…

CVSS 7.1 · High
Vendor/product tagsBeta · best-effort

CVE-2022-24757

Published Mar 23, 2022

The Jupyter Server provides the backend (i.e. the core services, APIs, and REST endpoints) for Jupyter web applications. Prior to version 1.15.4, unauthorized actors can access se…

CVSS 7.5 · High
Vendor/product tagsBeta · best-effort

CVE-2020-26275

Published Dec 21, 2020

The Jupyter Server provides the backend (i.e. the core services, APIs, and REST endpoints) for Jupyter web applications like Jupyter notebook, JupyterLab, and Voila. In Jupyter Se…

CVSS 6.1 · Medium
Vendor/product tagsBeta · best-effort

CVE-2020-26232

Published Nov 24, 2020

Jupyter Server before version 1.0.6 has an Open redirect vulnerability. A maliciously crafted link to a jupyter server could redirect the browser to a different website. All jupyt…

CVSS 4.1 · Medium
Vendor/product tagsBeta · best-effort
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