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      <title>CVE-2020-26261 — user-readable api tokens in systemd units</title>
      <link>https://cve.radiocsirt.org/vuln/cve-2020-26261</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; jupyterhub systemdspawner&lt;/p&gt;
&lt;p&gt;jupyterhub-systemdspawner enables JupyterHub to spawn single-user notebook servers using systemd. In jupyterhub-systemdspawner before version 0.15 user API tokens issued to single-user servers are specified in the environment of systemd units. These tokens are incorrectly accessible to all users. In particular, the-littlest-jupyterhub is affected, which uses systemdspawner by default. This is patched in jupyterhub-systemdspawner v0.15&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; jupyterhub systemdspawner&lt;/p&gt;
&lt;p&gt;jupyterhub-systemdspawner enables JupyterHub to spawn single-user notebook servers using systemd. In jupyterhub-systemdspawner before version 0.15 user API tokens issued to single-user servers are specified in the environment of systemd units. These tokens are incorrectly accessible to all users. In particular, the-littlest-jupyterhub is affected, which uses systemdspawner by default. This is patched in jupyterhub-systemdspawner v0.15&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://cve.radiocsirt.org/vuln/cve-2020-26261</guid>
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      <title>GHSA-cg54-gpgr-4rm6 — user-readable api tokens in systemd units for JupyterHub</title>
      <link>https://cve.radiocsirt.org/vuln/ghsa-cg54-gpgr-4rm6</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; PyPI: jupyterhub-systemdspawner&lt;/p&gt;
&lt;p&gt;### Impact
user API tokens issued to single-user servers are specified in the environment of systemd units, which are accessible to all users.&lt;/p&gt;
&lt;p&gt;In particular, the-littlest-jupyterhub is affected, which uses systemdspawner by default.&lt;/p&gt;
&lt;p&gt;### Patches
Patched in jupyterhub-systemdspawner v0.15&lt;/p&gt;
&lt;p&gt;### Workarounds
No workaround other than upgrading systemdspawner to 0.15&lt;/p&gt;
&lt;p&gt;### For more information&lt;/p&gt;
&lt;p&gt;If you have any questions or comments about this advisory:
* Open a thread in [the Jupyter forum](https://discourse.jupyter.org)
* Email us at [security@ipython.org](mailto:security@ipython.org)&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; PyPI: jupyterhub-systemdspawner&lt;/p&gt;
&lt;p&gt;### Impact
user API tokens issued to single-user servers are specified in the environment of systemd units, which are accessible to all users.&lt;/p&gt;
&lt;p&gt;In particular, the-littlest-jupyterhub is affected, which uses systemdspawner by default.&lt;/p&gt;
&lt;p&gt;### Patches
Patched in jupyterhub-systemdspawner v0.15&lt;/p&gt;
&lt;p&gt;### Workarounds
No workaround other than upgrading systemdspawner to 0.15&lt;/p&gt;
&lt;p&gt;### For more information&lt;/p&gt;
&lt;p&gt;If you have any questions or comments about this advisory:
* Open a thread in [the Jupyter forum](https://discourse.jupyter.org)
* Email us at [security@ipython.org](mailto:security@ipython.org)&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://cve.radiocsirt.org/vuln/ghsa-cg54-gpgr-4rm6</guid>
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