PYSEC-2021-878

    Dashboard / Vulnerabilities / PYSEC-2021-878

    PYSEC-2021-878

    Published: 7 Oct 2021Last Modified: 10 Jun 2026

    Summary:

    Details: The mkdocs 1.2.2 built-in dev-server allows directory traversal using the port 8000, enabling remote exploitation to obtain :sensitive information. NOTE: the vendor has disputed this as described in https://github.com/mkdocs/mkdocs/issues/2601.] and https://github.com/nisdn/CVE-2021-40978/issues/1

    References: https://github.com/nisdn/CVE-2021-40978, https://github.com/nisdn/CVE-2021-40978, https://github.com/mkdocs/mkdocs, https://github.com/nisdn/CVE-2021-40978/issues/1, https://github.com/mkdocs/mkdocs/issues/2601, https://github.com/advisories/GHSA-qh9q-34h6-hcv9

    Affected packages

    Package

    Name: mkdocs

    Purl: pkg:pypi/mkdocs

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 1.2.2
    Fixed -1.2.3

    Affected versions

    1.2.2

    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
    PYSEC-2021-878 | CVE-DB