Prototype Pollution in chartkick

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

• CISA KEV Not listed.
• EPSS 0.014, the 72nd percentile, on 9 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the GitHub Advisory Database, published 2 Dec 2019. New records show when each source confirmed them.

Sources

• GitHub Advisory Database: GHSA-5pm8-492c-92p5
• OSV: GHSA-5pm8-492c-92p5
• nvd.nist.gov/vuln/detail/CVE-2019-18841
• github.com/ankane/chartkick.js/issues/117
• github.com/ankane/chartkick/commit/b810936bbf687bc74c5b6dba72d2397a399885fa
• chartkick.com
• github.com/ankane/chartkick/blob/master/CHANGELOG.md
• github.com/ankane/chartkick/commits/master
• github.com/rubysec/ruby-advisory-db/blob/master/gems/chartkick/CVE-2019-18841.yml
• rubygems.org/gems/chartkick

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.