Nokogiri v1.18.9 patches the vendored libxml2 to address CVE-2025-6021, CVE-2025-6170, CVE-2025-49794, CVE-2025-49795, and CVE-2025-49796.
Full advisory text at GitHub advisory.
rubygems package report
Is nokogiri safe?
nokogiri (rubygems) has 60 known vulnerabilities, the worst rated CRITICAL. Upgrade to 1.19.5 or later to clear all of them. No malicious-package signal is recorded.
// reach
0 direct dependencies
none carry a known advisory
0 packages depend on it
dependents not yet indexed for this ecosystem
Create a free accountfor every dependency path, dependent and what to upgrade
// ai model usage
Tracked for PyPI packages. HuggingFace models declare Python dependencies, so rubygems packages are not covered.
cvss
9.0
critical
severity band, no base score published
epss
not scored
chance of exploitation in 30 days
xyz score
4.0
medium
CyberXYZ composite out of 10
fig. 01 — GHSA-353f-x4gh-cqq8, the advisory selected below
// 60 advisories
Is nokogiri safe to install?
CyberXYZ does not call a package safe in absolute terms. It records 60 known vulnerabilities for nokogiri (rubygems), the worst rated CRITICAL, and no malicious-package signal. Whether it is acceptable depends on the version you run.
Does nokogiri have known vulnerabilities?
Yes. CyberXYZ records 60 known vulnerabilities for nokogiri (rubygems), the worst rated CRITICAL. These include GHSA-353f-x4gh-cqq8, GHSA-qxcg-xjjg-66mj, GHSA-cr5j-953j-xw5p, GHSA-fr52-4hqw-p27f, GHSA-c4rq-3m3g-8wgx.
Which version of nokogiri should I use?
1.19.5 or later clears every advisory recorded for nokogiri (rubygems). Check the release you pick before installing it.
How do I check nokogiri before installing?
Search nokogiri in CyberXYZ Check at https://cyberxyz.io/check?q=nokogiri. The xyz Scanner checks a project's dependencies, and CyberXYZ Proxy checks each package as it is installed.
Checked 2026-11-14 at 14:19 UTC. The most recent advisory here was published 2026-11-10. Updated continuously from NVD, GHSA, OSV and CNA feeds.