{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-87830","assignerOrgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","state":"PUBLISHED","assignerShortName":"apache","dateReserved":"2026-09-09T11:00:14.995Z","datePublished":"2026-09-30T11:57:01.017Z","dateUpdated":"2026-09-30T19:47:41.782Z"},"containers":{"cna":{"providerMetadata":{"orgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","shortName":"apache","dateUpdated":"2026-09-30T11:57:01.017Z"},"title":"Apache WSS4J: Streaming WS-SecurityPolicy validation may skip element-protection checks.","source":{"discovery":"UNKNOWN"},"affected":[{"vendor":"Apache Software Foundation","product":"Apache WSS4J","packageURL":"pkg:maven/org.apache.wss4j/wss4j-ws-security-policy-stax","versions":[{"status":"affected","version":"4.0.0","lessThan":"4.0.2","versionType":"semver"},{"status":"affected","version":"3.0.0","lessThan":"3.0.6","versionType":"semver"},{"status":"affected","version":"0","lessThan":"2.4.4","versionType":"semver"}],"defaultStatus":"unaffected","collectionURL":"https://repo.maven.apache.org/maven2","packageName":"org.apache.wss4j:wss4j-ws-security-policy-stax"}],"descriptions":[{"value":"In the StAX streaming WS-SecurityPolicy validator, certain relative or unsupported XPath expressions can be converted into paths that never match the actual XML element path. A remote SOAP peer may therefore send a required element without the expected signature or encryption.\nUsers are recommended to upgrade to versions 4.0.2 or 3.0.6 or 2.4.4, which fix this issue.","lang":"en","supportingMedia":[{"type":"text/html","base64":false,"value":"In the StAX streaming WS-SecurityPolicy validator, certain relative or unsupported XPath expressions can be converted into paths that never match the actual XML element path. A remote SOAP peer may therefore send a required element without the expected signature or encryption.<div><br>Users are recommended to upgrade to versions 4.0.2 or 3.0.6 or 2.4.4, which fix this issue.</div>"}]}],"references":[{"url":"https://lists.apache.org/thread.html/lwlozb1x20d16f9dnyvoygc9rrhzq2vn","tags":["vendor-advisory"]}],"metrics":[{"other":{"type":"Textual description of severity","content":{"text":"low"}},"scenarios":[{"lang":"en","value":"GENERAL"}]}],"credits":[{"lang":"en","value":"Reported by n0mi1k","type":"finder"}],"x_generator":{"engine":"Vulnogram 1.0.3"}},"adp":[{"title":"CVE Program Container","references":[{"url":"http://www.openwall.com/lists/oss-security/2026/09/30/9"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2026-09-30T12:12:21.163Z"}},{"problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-917","lang":"en","description":"CWE-917 Improper Neutralization of Special Elements used in an Expression Language Statement ('Expression Language Injection')"}]}],"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":9.1,"attackVector":"NETWORK","baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-09-30T19:46:48.561887Z","id":"CVE-2026-87830","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-09-30T19:47:41.782Z"}}]}}