{"id":"CVE-2026-115350","title":"mistune: mistune: Cross-site scripting via Include directive (CVE-2026-115350)","summary":"A flaw was found in mistune. An attacker can exploit this vulnerability to conduct stored Cross-Site Scripting (XSS) attacks through the file inclusion directive. By referencing a crafted HTML file, unescaped content is processed as raw ma…","severity":"medium","cvss":6.1,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","cvssSource":"vendor","cwe":"CWE-79","vendor":"Red Hat","product":"Red Hat OpenShift AI (RHOAI)","affected":["openshift_ai_rhoai","openshift_container_platform 4"],"published":"2026-10-22","updated":"2026-10-23","sourceUpdated":"2026-10-23T00:22:51+00:00","source":"CSAF","sourceUrl":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-115350.json","references":[{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-115350.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-115350"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2559350"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-115350"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-115350"},{"url":"https://github.com/lepture/mistune/security/advisories/GHSA-96vr-jm8v-g22j"},{"url":"https://www.vulncheck.com/advisories/mistune-before-3.3.0-stored-xss-via-include-directive-html-files"}],"tags":["csaf","vex","red-hat","cve.org"],"ingestedAt":"2026-10-22T22:00:50.395Z","epss":0.00188,"epssPercentile":0.08375,"slug":"CVE-2026-115350","body":"## Overview\n\nA flaw was found in mistune. An attacker can exploit this vulnerability to conduct stored Cross-Site Scripting (XSS) attacks through the file inclusion directive. By referencing a crafted HTML file, unescaped content is processed as raw markup, enabling the execution of arbitrary script code in the browser of a user viewing the rendered document.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Moderate · affected: Red Hat OpenShift AI (RHOAI), Red Hat OpenShift Container Platform 4 · no fix planned: Red Hat OpenShift AI (RHOAI), Red Hat OpenShift Container Platform 4 · updated 2026-10-23 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-115350.json)\n\n**mistune: mistune: Cross-site scripting via Include directive** — rated Moderate by Red Hat. Released 2026-10-22, updated 2026-10-23.\n\nAffected:\n\n- Red Hat OpenShift AI (RHOAI)\n- Red Hat OpenShift Container Platform 4\n\nNo fix planned:\n\n- Red Hat OpenShift AI (RHOAI)\n- Red Hat OpenShift Container Platform 4\n\n## Remediation\n\nFix deferred","depth":"sunlit","depthScore":34,"depthScoreParts":{"impact":33.6,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}