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  5. GHSA-5qw5-wf2q-f538

GHSA-5qw5-wf2q-f538: ActiveRecord-JDBC-Adapter (AR-JDBC) lib/arjdbc/jdbc/adapter.rb sql.gsub() Function SQL Injection

January 16, 2026 (updated January 21, 2026)

ActiveRecord-JDBC-Adapter (AR-JDBC) contains a flaw that may allow carrying out an SQL injection attack. The issue is due to the sql.gsub() function in lib/arjdbc/jdbc/adapter.rb not properly sanitizing user-supplied input before using it in SQL queries. This may allow a remote attacker to inject or manipulate SQL queries in the back-end database, allowing for the manipulation or disclosure of arbitrary data.

References

  • github.com/advisories/GHSA-5qw5-wf2q-f538
  • github.com/jruby/activerecord-jdbc-adapter
  • github.com/jruby/activerecord-jdbc-adapter/blob/master/lib/arjdbc/jdbc/adapter.rb
  • github.com/jruby/activerecord-jdbc-adapter/issues/322
  • github.com/rubysec/ruby-advisory-db/blob/master/gems/activerecord-jdbc-adapter/GHSA-5qw5-wf2q-f538.yml
  • github.com/rubysec/ruby-advisory-db/blob/master/gems/activerecord-jdbc-adapter/OSVDB-114854.yml

Code Behaviors & Features

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Affected versions

All versions before 1.2.8

Fixed versions

  • 1.2.8

Solution

Upgrade to version 1.2.8 or above.

Impact 9.1 CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Learn more about CVSS

Weakness

  • CWE-89: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

Source file

gem/activerecord-jdbc-adapter/GHSA-5qw5-wf2q-f538.yml

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