CVE-2023-25574
unknown
CVSS v3
—
CVSS v4 NEW
—
VIR risk
—
Description
LTI JupyterHub Authenticator does not properly validate JWT Signature
Predictions
Exploit likelihood
30%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| PyPI | jupyterhub-ltiauthenticator | >=1.3.0,<1.4.0 | 1.4.0 |
| PyPI | jupyterhub-ltiauthenticator | <=1.3.0 | |
References
- https://github.com/jupyterhub/ltiauthenticator/security/advisories/GHSA-mcgx-2gcr-p3hp
- https://nvd.nist.gov/vuln/detail/CVE-2023-25574
- https://github.com/jupyterhub/ltiauthenticator
- https://github.com/jupyterhub/ltiauthenticator/blob/3feec2e81b9d3b0ad6b58ab4226af640833039f3/ltiauthenticator/lti13/validator.py#L122-L164
- https://github.com/jupyterhub/ltiauthenticator/blob/main/CHANGELOG.md#140---2023-03-01
- https://github.com/pypa/advisory-database/tree/main/vulns/jupyterhub-ltiauthenticator/PYSEC-2025-120.yaml
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.