{"id":"CVE-2026-102495","state":"PUBLISHED","title":"Apache XMLSchema: Denial of service through unbounded recursion when resolving schema imports and includes","description":"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 2.3.3, which fixes this issue.","publishedAt":"2026-09-29T11:33:51.375Z","updatedAt":"2026-09-29T20:06:21.263Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"apache","products":["Apache Software Foundation Apache XMLSchema"],"affected":[{"vendor":"Apache Software Foundation","product":"Apache XMLSchema","packageName":"org.apache.ws.xmlschema:xmlschema-core","packageURL":"pkg:maven/org.apache.ws.xmlschema/xmlschema-core","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"2.3.3","versionType":"semver"}],"collectionURL":"https://repo.maven.apache.org/maven2"}],"references":["https://lists.apache.org/thread/l339q3oldm0cd2lph4b6f93fd07x9g6s","http://www.openwall.com/lists/oss-security/2026/09/29/15"],"weaknesses":["CWE-674"],"ingestedAt":"2026-10-29T20:10:13.529Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/102xxx/CVE-2026-102495.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-102495","state":"PUBLISHED","datePublished":"2026-09-29T11:33:51.375Z","dateUpdated":"2026-09-29T20:06:21.263Z","assignerShortName":"apache","assignerOrgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","dateReserved":"2026-09-29T10:34:05.783Z"},"containers":{"cna":{"title":"Apache XMLSchema: Denial of service through unbounded recursion when resolving schema imports and includes","descriptions":[{"lang":"en","value":"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 2.3.3, which fixes this issue."}],"affected":[{"vendor":"Apache Software Foundation","product":"Apache XMLSchema","packageName":"org.apache.ws.xmlschema:xmlschema-core","packageURL":"pkg:maven/org.apache.ws.xmlschema/xmlschema-core","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"2.3.3","versionType":"semver"}],"collectionURL":"https://repo.maven.apache.org/maven2"}],"references":[{"url":"https://lists.apache.org/thread/l339q3oldm0cd2lph4b6f93fd07x9g6s","tags":["vendor-advisory"]}],"metrics":[{"other":{"type":"Textual description of severity","content":{"text":"low"}},"scenarios":[{"lang":"en","value":"GENERAL"}]}],"providerMetadata":{"shortName":"apache","orgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","dateUpdated":"2026-09-29T11:33:51.375Z"},"source":{"discovery":"UNKNOWN"},"credits":[{"lang":"en","value":"This issue was found using Claude agents to study the security of open-source projects","type":"finder"}],"x_generator":{"engine":"Vulnogram 1.0.3"}},"adp":[{"title":"CVE Program Container","references":[{"url":"http://www.openwall.com/lists/oss-security/2026/09/29/15"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2026-09-29T12:11:25.487Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.5,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-09-29T20:05:29.847614Z","id":"CVE-2026-102495","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-674","type":"CWE","lang":"en","description":"CWE-674 Uncontrolled Recursion"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-29T20:06:21.263Z"}}]}}}