CVE-2020-15110

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.

• CWE-863
• CWE-863

• https://github.com/jupyterhub/kubespawner/commit/3dfe870a7f5e98e2e398b01996ca6b8eff4bb1d0Patch, Third Party Advisory
• https://github.com/jupyterhub/kubespawner/security/advisories/GHSA-v7m9-9497-p9grExploit, Third Party Advisory
• https://github.com/jupyterhub/kubespawner/commit/3dfe870a7f5e98e2e398b01996ca6b8eff4bb1d0Patch, Third Party Advisory
• https://github.com/jupyterhub/kubespawner/security/advisories/GHSA-v7m9-9497-p9grExploit, Third Party Advisory

Published

Jul 17, 2020

Last Modified

Jun 17, 2026

Status

Modified

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