{"id":"CVE-2026-41674","title":"xmldom is a pure JavaScript W3C standard-based (XML DOM Level 2 Core) `DOMParser` and `XMLSerializer` module","summary":"xmldom is a pure JavaScript W3C standard-based (XML DOM Level 2 Core) `DOMParser` and `XMLSerializer` module. In @xmldom/xmldom prior to versions 0.9.10 and 0.8.13 and xmldom version 0.6.0 and prior, the package serializes DocumentType n…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","cwe":["CWE-91"],"vendor":"xmldom","product":"xmldom","affected":["xmldom xmldom <= 0.6.0","xmldom @xmldom/xmldom >= 0.9.0, < 0.9.10","xmldom @xmldom/xmldom < 0.8.13"],"patched":["developer_hub 1.8","developer_hub 1.9","openshift_container_platform 4.21","openshift_container_platform 4.2"],"published":"2026-05-07","updated":"2026-09-10","sourceUpdated":"2026-09-10T13:20:02.843","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-41674","references":[{"url":"https://github.com/xmldom/xmldom/commit/372008f9ae0e20fd69f761c7b79e202598267314","label":"security-advisories@github.com"},{"url":"https://github.com/xmldom/xmldom/releases/tag/0.8.13","label":"security-advisories@github.com"},{"url":"https://github.com/xmldom/xmldom/releases/tag/0.9.10","label":"security-advisories@github.com"},{"url":"https://github.com/xmldom/xmldom/security/advisories/GHSA-f6ww-3ggp-fr8h","label":"security-advisories@github.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:20034","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:21338","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:21703","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:26234","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/security/cve/CVE-2026-41674","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2467620","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://github.com/xmldom/xmldom/security/advisories/GHSA-f6ww-3ggp-fr8h","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-41674.json","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-41674"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-41674"}],"tags":["nvd","cve.org","exploit-available","csaf","vex","red-hat"],"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"yes","technicalImpact":"partial","timestamp":"2026-05-07T12:35:22.818916Z"},"scores":{"nvd":7.5,"cna":8.7,"vendor":7.5},"epss":0.00522,"epssPercentile":0.43313,"ingestedAt":"2026-07-22T13:03:40.796Z","slug":"CVE-2026-41674","body":"## Overview\n\nxmldom is a pure JavaScript W3C standard-based (XML DOM Level 2 Core) `DOMParser` and `XMLSerializer` module. In @xmldom/xmldom prior to versions 0.9.10 and 0.8.13 and xmldom version 0.6.0 and prior, the package serializes DocumentType node fields (internalSubset, publicId, systemId) verbatim without any escaping or validation. When these fields are set programmatically to attacker-controlled strings, XMLSerializer.serializeToString can produce output where the DOCTYPE declaration is terminated early and arbitrary markup appears outside it. This issue has been patched in versions @xmldom/xmldom versions 0.9.10 and 0.8.13.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **RHSA-2026:21338** · Red Hat · fixed in: Red Hat Developer Hub 1.8 · released 2026-05-27 · [advisory](https://access.redhat.com/errata/RHSA-2026:21338)\n- **RHSA-2026:26234** · Red Hat · fixed in: Red Hat Developer Hub 1.9 · released 2026-06-16 · [advisory](https://access.redhat.com/errata/RHSA-2026:26234)\n- **RHSA-2026:20034** · Red Hat · fixed in: Red Hat OpenShift Container Platform 4.21 · released 2026-05-26 · [advisory](https://access.redhat.com/errata/RHSA-2026:20034)\n- **RHSA-2026:21703** · Red Hat · fixed in: Red Hat OpenShift Container Platform 4.2 · released 2026-06-03 · [advisory](https://access.redhat.com/errata/RHSA-2026:21703)\n- **Red Hat VEX** · Important · affected: Red Hat Build of Podman Desktop, Red Hat Fuse 7, Self-service automation portal 2 · no fix planned: Red Hat Fuse 7, Red Hat Build of Podman Desktop, Self-service automation portal 2 · updated 2026-09-09 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-41674.json)","depth":"midnight","depthScore":53,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[{"seq":201630,"id":"CVE-2026-41674","ts":1789399566004,"field":"exploit_available","old":"false","new":"true"},{"seq":200362,"id":"CVE-2026-41674","ts":1789397167795,"field":"exploit_available","old":"true","new":"false"},{"seq":198286,"id":"CVE-2026-41674","ts":1789391801115,"field":"exploit_available","old":"false","new":"true"},{"seq":196079,"id":"CVE-2026-41674","ts":1789383452050,"field":"exploit_available","old":"true","new":"false"},{"seq":195008,"id":"CVE-2026-41674","ts":1789380344742,"field":"exploit_available","old":"false","new":"true"},{"seq":193795,"id":"CVE-2026-41674","ts":1789378318158,"field":"exploit_available","old":"true","new":"false"},{"seq":192582,"id":"CVE-2026-41674","ts":1789376288914,"field":"exploit_available","old":"false","new":"true"},{"seq":191369,"id":"CVE-2026-41674","ts":1789373191709,"field":"exploit_available","old":"true","new":"false"},{"seq":190154,"id":"CVE-2026-41674","ts":1789369172592,"field":"exploit_available","old":"false","new":"true"},{"seq":188941,"id":"CVE-2026-41674","ts":1789368067361,"field":"exploit_available","old":"true","new":"false"},{"seq":187724,"id":"CVE-2026-41674","ts":1789365036247,"field":"exploit_available","old":"false","new":"true"},{"seq":186511,"id":"CVE-2026-41674","ts":1789363059782,"field":"exploit_available","old":"true","new":"false"},{"seq":185297,"id":"CVE-2026-41674","ts":1789360995676,"field":"exploit_available","old":"false","new":"true"},{"seq":184084,"id":"CVE-2026-41674","ts":1789357990198,"field":"exploit_available","old":"true","new":"false"},{"seq":182336,"id":"CVE-2026-41674","ts":1789354137912,"field":"exploit_available","old":"false","new":"true"},{"seq":181129,"id":"CVE-2026-41674","ts":1789352986806,"field":"exploit_available","old":"true","new":"false"},{"seq":179922,"id":"CVE-2026-41674","ts":1789350049771,"field":"exploit_available","old":"false","new":"true"},{"seq":178715,"id":"CVE-2026-41674","ts":1789347902681,"field":"exploit_available","old":"true","new":"false"},{"seq":177508,"id":"CVE-2026-41674","ts":1789346203986,"field":"exploit_available","old":"false","new":"true"},{"seq":176301,"id":"CVE-2026-41674","ts":1789342805891,"field":"exploit_available","old":"true","new":"false"},{"seq":175755,"id":"CVE-2026-41674","ts":1789338592763,"field":"exploit_available","old":"false","new":"true"},{"seq":175625,"id":"CVE-2026-41674","ts":1789338430683,"field":"exploit_available","old":"true","new":"false"},{"seq":174420,"id":"CVE-2026-41674","ts":1789334637027,"field":"exploit_available","old":"false","new":"true"},{"seq":173215,"id":"CVE-2026-41674","ts":1789333289870,"field":"exploit_available","old":"true","new":"false"},{"seq":172029,"id":"CVE-2026-41674","ts":1789330922951,"field":"exploit_available","old":"false","new":"true"},{"seq":170843,"id":"CVE-2026-41674","ts":1789328429424,"field":"exploit_available","old":"true","new":"false"},{"seq":169638,"id":"CVE-2026-41674","ts":1789326947050,"field":"exploit_available","old":"false","new":"true"},{"seq":168433,"id":"CVE-2026-41674","ts":1789323499931,"field":"exploit_available","old":"true","new":"false"},{"seq":167228,"id":"CVE-2026-41674","ts":1789319408559,"field":"exploit_available","old":"false","new":"true"},{"seq":166023,"id":"CVE-2026-41674","ts":1789318357902,"field":"exploit_available","old":"true","new":"false"},{"seq":164818,"id":"CVE-2026-41674","ts":1789315583105,"field":"exploit_available","old":"false","new":"true"},{"seq":163613,"id":"CVE-2026-41674","ts":1789313298219,"field":"exploit_available","old":"true","new":"false"},{"seq":162408,"id":"CVE-2026-41674","ts":1789311736565,"field":"exploit_available","old":"false","new":"true"},{"seq":161203,"id":"CVE-2026-41674","ts":1789308320298,"field":"exploit_available","old":"true","new":"false"},{"seq":160708,"id":"CVE-2026-41674","ts":1789304248126,"field":"exploit_available","old":"false","new":"true"},{"seq":158546,"id":"CVE-2026-41674","ts":1789299337888,"field":"exploit_available","old":"true","new":"false"},{"seq":157510,"id":"CVE-2026-41674","ts":1789296489054,"field":"exploit_available","old":"false","new":"true"},{"seq":156305,"id":"CVE-2026-41674","ts":1789294427275,"field":"exploit_available","old":"true","new":"false"},{"seq":155100,"id":"CVE-2026-41674","ts":1789292684698,"field":"exploit_available","old":"false","new":"true"},{"seq":153895,"id":"CVE-2026-41674","ts":1789289410777,"field":"exploit_available","old":"true","new":"false"},{"seq":152545,"id":"CVE-2026-41674","ts":1789281281539,"field":"exploit_available","old":"false","new":"true"},{"seq":148041,"id":"CVE-2026-41674","ts":1789270922282,"field":"exploit_available","old":"true","new":"false"},{"seq":146081,"id":"CVE-2026-41674","ts":1789269195980,"field":"exploit_available","old":"false","new":"true"},{"seq":14498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