Critical severity10.0NVD Advisory· Published Feb 25, 2025· Updated Jun 17, 2026
CVE-2023-25574
CVE-2023-25574
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
jupyterhub-ltiauthenticatorPyPI | >= 1.3.0, < 1.4.0 | 1.4.0 |
Affected products
3- cpe:2.3:a:jupyter:lti_jupyterhub_authenticator:1.3.0:*:*:*:*:*:*:*
- Range: = 1.3.0
Patches
Vulnerability mechanics
References
6- github.com/advisories/GHSA-mcgx-2gcr-p3hpghsaADVISORY
- github.com/jupyterhub/ltiauthenticator/security/advisories/GHSA-mcgx-2gcr-p3hpnvdVendor AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2023-25574ghsaADVISORY
- github.com/jupyterhub/ltiauthenticator/blob/3feec2e81b9d3b0ad6b58ab4226af640833039f3/ltiauthenticator/lti13/validator.pynvdProductWEB
- github.com/jupyterhub/ltiauthenticator/blob/main/CHANGELOG.mdnvdRelease NotesWEB
- github.com/pypa/advisory-database/tree/main/vulns/jupyterhub-ltiauthenticator/PYSEC-2025-120.yamlghsaWEB
News mentions
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