Is CVE-2023-25574 actively exploited?

CVE-2023-25574 has no public evidence of in-the-wild exploitation as of 2025-09-02.

What is the CVSS score for CVE-2023-25574?

CVE-2023-25574 has a CVSS score of 10 (CRITICAL severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

How do I patch CVE-2023-25574?

Patch guidance is available from jupyter security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2023-25574.

Which products are affected by CVE-2023-25574?

1 product: jupyter lti jupyterhub authenticator.

Fix CVE-2023-25574 - CRITICAL

Description

`jupyterhub-ltiauthenticator` is a JupyterHub authenticator for learning tools interoperability (LTI). LTI13Authenticator that was introduced in `jupyterhub-ltiauthenticator` 1.3.0 wasn't validating JWT signatures. This is believed to allow the LTI13Authenticator to authorize a forged request. Only users that has configured a JupyterHub installation to use the authenticator class `LTI13Authenticator` are affected. `jupyterhub-ltiauthenticator` version 1.4.0 removes LTI13Authenticator to address the issue. No known workarounds are available.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: changed
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-347

Metadata

Primary Vendor: JUPYTER
Published: 2/25/2025
Last Modified: 9/2/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2023-25574

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary