CVE-2026-33210 (High) detected in json-2.15.1.gem

Nobody has claimed this yet.

## CVE-2026-33210 - High Severity Vulnerability
Vulnerable Library - json-2.15.1.gem

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

Library home page: https://rubygems.org/gems/json-2.15.1.gem

Path to dependency file: /Gemfile.lock

Path to vulnerable library: /vendor/cache/json-2.15.1.gem

Dependency Hierarchy:
- manageiq-style-1.5.9.gem (Root Library)
- rubocop-rails-2.29.1.gem
- rubocop-1.56.3.gem
- :x: **json-2.15.1.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

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Start with Gemfile.lock and vendor/cache/json-2.15.1.gem, then inspect the dependency chain through rubocop-rails and rubocop. Update the resolved json dependency to one of the listed fixed versions and confirm that the vulnerable 2.15.1 package is no longer present in the lockfile or vendor cache.

Written by the indexing model from the issue text.