Insecure Defaults Affecting ransack package, versions <4.0.0



    Attack Complexity Low
    Confidentiality High

    Threat Intelligence

    Exploit Maturity Proof of concept

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  • Snyk ID SNYK-RUBY-RANSACK-5776488
  • published 14 Jul 2023
  • disclosed 14 Jul 2023
  • credit Lukas Euler, Positive Security

Introduced: 14 Jul 2023

CVE NOT AVAILABLE CWE-453 Open this link in a new tab

How to fix?

Upgrade ransack to version 4.0.0 or higher.


Affected versions of this package are vulnerable to Insecure Defaults. The library poses a major security risk that can likely be exploited to extract sensitive information or fully compromise the application. An attacker is be able to perform character by character brute-force of arbitrary attributes on associated database objects.


An application is potentially vulnerable if it exposes a search/filtering function which processes an unrestricted query object, usually represented by a Ruby hash constructed via the q GET parameter.


Users who are unable to upgrade to the fixed version can restrict which associations and attributes are respected via a whitelist.