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OpenAdvisories

Vendor

Backblaze

3 known vulnerabilities.

Products

Backblaze Client 1 b2-sdk-python 1 B2_Command_Line_Tool 1
All Critical High Medium Low Exploited only Public exploit

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  • Medium 5.8
    CVE-2026-19820

    Backblaze Client for Windows Improper Link Resolution Vulnerability

    A vulnerability in the Backblaze Client allows a local user to make the system not bootable by creating a link from Backblaze's folder to Windows OS system files during a backup. Successful exploitation requires an administrator-level system change that resul…

    Backblaze Backblaze Client
  • Medium 4.7
    CVE-2022-23653

    B2 Command Line Tool TOCTOU application key disclosure

    B2 Command Line Tool is the official command line tool for the backblaze cloud storage service. Linux and Mac releases of the B2 command-line tool version 3.2.0 and below contain a key disclosure vulnerability that, in certain conditions, can be exploited by …

    Backblaze B2_Command_Line_Tool b2 PyPI
  • Medium 4.7
    CVE-2022-23651

    b2-sdk-python TOCTOU application key disclosure

    b2-sdk-python is a python library to access cloud storage provided by backblaze. Linux and Mac releases of the SDK version 1.14.0 and below contain a key disclosure vulnerability that, in certain conditions, can be exploited by local attackers through a time-…

    Backblaze b2-sdk-python b2sdk PyPI