CVE-2026-57234 — Nokogiri: XML::Schema on JRuby allows network requests when NONET is set, bypassing CVE-2020-26247

CVE-2026-57234

Nokogiri: XML::Schema on JRuby allows network requests when NONET is set, bypassing CVE-2020-26247 PUBLISHED

Description (CNA)

Nokogiri is an open source XML and HTML library for the Ruby programming language. Prior to 1.19.4, the NONET parse option, which Nokogiri turns on by default for Nokogiri::XML::Schema (see CVE-2020-26247), was not correctly enforced on the JRuby implementation. As a result, a schema parsed with default options could still cause external resources to be fetched over the network, potentially enabling SSRF or XXE attacks. This vulnerability is fixed in 1.19.4.

Affected (CNA)

Vendor / product	Versions
sparklemotion / nokogiri	affected < 1.19.4

CWE

CWE-178, CWE-184, CWE-611

References

https://github.com/sparklemotion/nokogiri/security/advisories/GHSA-8678-w3jw-xfc2

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.