CVE-2021-23827

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    CVE-2021-23827

    Published: 23 Feb 2021Last Modified: 8 Jul 2026

    Summary:

    Details: Keybase Desktop Client before 5.6.0 on Windows and macOS, and before 5.6.1 on Linux, allows an attacker to obtain potentially sensitive media (such as private pictures) in the Cache and uploadtemps directories. It fails to effectively clear cached pictures, even after deletion via normal methodology within the client, or by utilizing the "Explode message/Explode now" functionality. Local filesystem access is needed by the attacker.

    References: https://github.com/keybase/client/releases, https://hackerone.com/reports/1074930, https://johnjhacking.com/blog/cve-2021-23827/

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -f50a180af74bd3fd523b409fea747d5c04694f0a

    Affected versions

    v5.6.0

    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
    CVE-2021-23827 | CVE-DB