CVE-2026-54338
2 advisories.
PyPI/jupyterhub CVE-2026-54338: medium 5.3, EPSS 0.44%
JupyterHub has Unauthenticated Denial of Service via Unbounded Username Logging on Failed Login
Action: Upgrade jupyterhub to 5.5.0 or later.
pip install jupyterhub==5.5.0Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 5.5.0 | - |
Fixed versions
| 5.5.0 |
Sources
- osv: GHSA-p43p-whwx-q52h
- https://github.com/jupyterhub/jupyterhub/security/advisories/GHSA-p43p-whwx-q52h
- https://nvd.nist.gov/vuln/detail/CVE-2026-54338
- https://github.com/jupyterhub/jupyterhub/commit/d6dc595f84b7509969686da31d87d6d69e7fce0a
- https://github.com/jupyterhub/jupyterhub
CVE-2026-54338 · published · modified · JSON
PyPI/jupyterhub CVE-2026-54338: medium 5.3, EPSS 0.44%
JupyterHub has Unauthenticated Denial of Service via Unbounded Username Logging on Failed Login
Action: Upgrade jupyterhub to 5.5.0 or later.
pip install jupyterhub==5.5.0Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 5.5.0 | - |
Fixed versions
| 5.5.0 |
Sources
- osv: PYSEC-2026-3853
- https://github.com/jupyterhub/jupyterhub/security/advisories/GHSA-p43p-whwx-q52h
- https://nvd.nist.gov/vuln/detail/CVE-2026-54338
- https://github.com/jupyterhub/jupyterhub/commit/d6dc595f84b7509969686da31d87d6d69e7fce0a
- https://github.com/jupyterhub/jupyterhub
- https://pypi.org/project/jupyterhub
- https://github.com/advisories/GHSA-p43p-whwx-q52h
CVE-2026-54338 · published · modified · JSON