CVE-2026-33210 (High) detected in json-2.15.0.gem

Nobody has claimed this yet.

## CVE-2026-33210 - High Severity Vulnerability
Vulnerable Library - json-2.15.0.gem

This is a JSON implementation as a Ruby extension in C.

Library home page: https://rubygems.org/gems/json-2.15.0.gem

Path to dependency file: /Gemfile.lock

Path to vulnerable library: /vendor/cache/json-2.15.0.gem

Dependency Hierarchy:
- manageiq-style-1.5.8.gem (Root Library)
- rubocop-performance-1.23.1.gem
- rubocop-1.56.3.gem
- :x: **json-2.15.0.gem** (Vulnerable Library)

Found in base branch: master

Vulnerability Details

Ruby JSON is a JSON implementation for Ruby. From version 2.14.0 to before versions 2.15.2.1, 2.17.1.2, and 2.19.2, a format string injection vulnerability can lead to denial of service attacks or information disclosure, when the allow_duplicate_key: false parsing option is used to parse user supplied documents. This issue has been patched in versions 2.15.2.1, 2.17.1.2, and 2.19.2.

Publish Date: 2026-03-20

URL: CVE-2026-33210

CVSS 3 Score Details (8.2)

Base Score Metrics:
- Exploitability Metrics:
- Attack Vector: Network
- Attack Complexity: Low
- Privileges Required: None
- User Interaction: None
- Scope: Unchanged
- Impact Metrics:
- Confidentiality Impact: Low
- Integrity Impact: None
- Availability Impact: High

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: https://github.com/advisories/GHSA-3m6g-2423-7cp3

Release Date: 2026-03-19

Fix Resolution: json - 2.19.2,json - 2.17.1.2,json - 2.15.2.1

***
Step up your Open Source Security Game with Mend [here](https://www.whitesourcesoftware.com/full_solution_bolt_github)

Start by inspecting Gemfile.lock and vendor/cache/json-2.15.0.gem, then trace the rubocop-performance dependency path described in the issue. Update the resolved json dependency to one of the listed fixed versions and verify that the vulnerable version is gone from both dependency records; run the available project checks afterward.

Written by the indexing model from the issue text.