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PYSEC-2020-51

Quick fix

PYSEC-2020-51 — jupyterhub-kubespawner: upgrade to the fixed version with the command below.

pip install --upgrade 'jupyterhub-kubespawner>=3dfe870a7f5e98e2e398b01996ca6b8eff4bb1d0'

Details

In jupyterhub-kubespawner before 0.12, certain usernames will be able to craft particular server names which will grant them access to the default server of other users who have matching usernames. This has been fixed in 0.12.

Are you affected?

Enter the version of the package you're using.

Affected packages

PyPI/jupyterhub-kubespawner

Introduced in: 0Fixed in: 3dfe870a7f5e98e2e398b01996ca6b8eff4bb1d0

Fixpip install --upgrade 'jupyterhub-kubespawner>=3dfe870a7f5e98e2e398b01996ca6b8eff4bb1d0'

References

https://github.com/jupyterhub/kubespawner/security/advisories/GHSA-v7m9-9497-p9gr[ADVISORY]
https://github.com/jupyterhub/kubespawner/commit/3dfe870a7f5e98e2e398b01996ca6b8eff4bb1d0[FIX]