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.
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Thu, 25 Jun 2026 15:30:00 +0000
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Thu, 25 Jun 2026 14:45:00 +0000
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| Description | 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. | |
| Title | Nokogiri: XML::Schema on JRuby allows network requests when NONET is set, bypassing CVE-2020-26247 | |
| Weaknesses | CWE-178 CWE-184 CWE-611 |
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Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2026-06-25T15:05:42.484Z
Reserved: 2026-06-24T02:21:33.812Z
Link: CVE-2026-57234
Updated: 2026-06-25T15:05:38.781Z
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