{"id":"CVE-2026-102495","title":"Apache XmlSchema doesn't limit how deeply schema imports and includes can be nested, so a malicious schema can make parsing recurse until the stack overflows","summary":"Apache XmlSchema doesn't limit how deeply schema imports and includes can be nested, so a malicious schema can make parsing recurse until the stack overflows. This causes a denial of service.\nUsers are recommended to upgrade to version 2…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-674","CWE-770"],"vendor":"apache","product":"xmlschema","affected":["xmlschema < 2.3.3"],"patched":["xmlschema 2.3.3"],"published":"2026-09-29","updated":"2026-10-06","sourceUpdated":"2026-10-06T14:38:53.533","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-102495","references":[{"url":"https://lists.apache.org/thread/l339q3oldm0cd2lph4b6f93fd07x9g6s","label":"security@apache.org"},{"url":"http://www.openwall.com/lists/oss-security/2026/09/29/15","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-102495.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-102495"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2543083"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-102495"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-102495"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"epss":0.00528,"epssPercentile":0.44481,"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-09-29T20:05:29.847614Z"},"ingestedAt":"2026-09-29T12:33:37.291Z","slug":"CVE-2026-102495","body":"## Overview\n\nApache XmlSchema doesn't limit how deeply schema imports and includes can be nested, so a malicious schema can make parsing recurse until the stack overflows. This causes a denial of service.\nUsers are recommended to upgrade to version 2.3.3, which fixes this issue.\n\n## Affected\n\n- `xmlschema < 2.3.3`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `xmlschema 2.3.3`\n\n## Vendor advisories\n\n- **Red Hat VEX** · Important · affected: Red Hat build of Apache Camel 4 for Quarkus 3, Red Hat build of Apache Camel for Spring Boot 4, Red Hat JBoss Enterprise Application Platform 7, Red Hat JBoss Enterprise Application Platform 8, Red Hat OpenShift AI (RHOAI), Red Hat Single Sign-On 7 · no fix planned: Red Hat JBoss Enterprise Application Platform 7, Red Hat Single Sign-On 7, Red Hat build of Apache Camel 4 for Quarkus 3, Red Hat build of Apache Camel for Spring Boot 4, … · updated 2026-10-16 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-102495.json)","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[{"seq":213144,"id":"CVE-2026-102495","ts":1790714931459,"field":"cvss","old":null,"new":"7.5"},{"seq":213143,"id":"CVE-2026-102495","ts":1790714931459,"field":"severity","old":"none","new":"high"}]}