CVE catalog
CVE-2026-57234
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-2020-2
- Severity
- Medium · CVSS 4.8
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.20% · Oct 25, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | ruby-nokogiri | sid | 1.19.4+dfsg-1 | fixed |
| Debian | ruby-nokogiri | forky | 1.19.4+dfsg-1 | fixed |
| Debian | ruby-nokogiri | trixie | 1.18.2+dfsg-1 | vulnerable |
| Debian | ruby-nokogiri | bookworm | 1.13.10+dfsg-2 | vulnerable |
| Cpe | ruby-nokogiri | Not reported | Not reported | vulnerable |
| Cpe | nokogiri | Not reported | 1.19.4 | fixed |
| Cpe | nokogiri | Not reported | 1.19.4 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | ruby-nokogiri | source | sid | 1.19.4+dfsg-1 | unimportant | Not reported | [114076] |
| Debian | ruby-nokogiri | source | forky | 1.19.4+dfsg-1 | unimportant | Not reported | [114076] |
| Debian | ruby-nokogiri | source | trixie | (unfixed) | unimportant | Not reported | [114076] |
| Debian | ruby-nokogiri | source | bookworm | (unfixed) | unimportant | Not reported | [114076] |
| Cpe | nokogiri | cpe | Not reported | 1.19.4 | Not reported | Not reported | Not reported |
| Cpe | nokogiri | cpe | Not reported | 1.19.4 | Not reported | NVD-CVE-2026-57234 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [ruby-nokogiri]Affected
Source package: [ruby-nokogiri]
Details (2)
1.13.10+dfsg-2+b1· amd64 · bookwormAffected
nvd · ruby-nokogiri · debian · bookworm; nvd · ruby-nokogiri · debian · 12
1.13.10+dfsg-2+b1· arm64 · bookwormAffected
nvd · ruby-nokogiri · debian · bookworm; nvd · ruby-nokogiri · debian · 12
[Debian 13 (Trixie)]
- [ruby-nokogiri]Affected
Source package: [ruby-nokogiri]
Details (2)
1.18.2+dfsg-1+b1· amd64 · trixieAffected
nvd · ruby-nokogiri · debian · 13
1.18.2+dfsg-1+b1· arm64 · trixieAffected
nvd · ruby-nokogiri · debian · 13
Observed:
References
- [https://ftp.suse.com/pub/projects/security/]
- [https://github.com/sparklemotion/nokogiri/security/advisories/GHSA-8678-w3jw-xfc2]
- [https://nvd.nist.gov/vuln/detail/CVE-2026-57234]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2026-57234]
- [https://security-tracker.debian.org/tracker/CVE-2026-57234]
- [https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-57234.json]
[Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]