CLEANSTART-2026-UO66475 Security fixes for CVE-2026-42304, CVE-2026-44307, ghsa-2h4p-vjrc-8xpq, ghsa-grgv-6hw6-v9g4 applied in versions: 5.4.6-r0

Multiple security vulnerabilities affect the py3-jupyterhub package. These issues are resolved in later releases. See references for individual vulnerability details...

Use of Default Credentials

Overview Affected versions of this package are vulnerable to Use of Default Credentials for the admin account. An attacker can gain full administrative access by using the default credentials if the password is not changed after deployment. Workaround This vulnerability can be mitigated by loggin...

Use of Password Hash With Insufficient Computational Effort

Overview Affected versions of this package are vulnerable to Use of Password Hash With Insufficient Computational Effort due to the use of a simple, unsalted hash for storing user passwords and API keys. An attacker can obtain sensitive information by performing offline rainbow table attacks...