GHSA-cg54-gpgr-4rm6

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    GHSA-cg54-gpgr-4rm6

    Published: 9 Dec 2020Last Modified: 10 Sept 2026

    Summary: user-readable api tokens in systemd units for JupyterHub

    Details: ### Impact user API tokens issued to single-user servers are specified in the environment of systemd units, which are accessible to all users. In particular, the-littlest-jupyterhub is affected, which uses systemdspawner by default. ### Patches Patched in jupyterhub-systemdspawner v0.15 ### Workarounds No workaround other than upgrading systemdspawner to 0.15 ### For more information If you have any questions or comments about this advisory: * Open a thread in [the Jupyter forum](https://discourse.jupyter.org) * Email us at [[email protected]](mailto:[email protected])

    References: https://github.com/jupyterhub/systemdspawner/security/advisories/GHSA-cg54-gpgr-4rm6, https://nvd.nist.gov/vuln/detail/CVE-2020-26261, https://github.com/jupyterhub/systemdspawner/commit/a4d08fd2ade1cfd0ef2c29dc221e649345f23580, https://github.com/jupyterhub/systemdspawner, https://github.com/jupyterhub/systemdspawner/blob/master/CHANGELOG.md#v015, https://github.com/pypa/advisory-database/tree/main/vulns/jupyterhub-systemdspawner/PYSEC-2020-52.yaml, https://pypi.org/project/jupyterhub-systemdspawner

    Affected packages

    Package

    Name: jupyterhub-systemdspawner

    Purl: pkg:pypi/jupyterhub-systemdspawner

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -0.15.0

    Affected versions

    0.10

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    GHSA-cg54-gpgr-4rm6 | CVE-DB