{"id":"CVE-2026-87830","revision":"5e897fc595df4881914718ebd2f44035","records":[{"revision":"5e897fc595df4881914718ebd2f44035","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-87830","aliases":[],"title":"Apache WSS4J: Streaming WS-SecurityPolicy validation may skip element-protection checks.","description":"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.","state":0,"publishedAt":"2026-09-30T11:57:01.017+00:00","modifiedAt":"2026-09-30T19:47:41.782+00:00","affected":[{"ecosystem":"https://repo.maven.apache.org/maven2","name":"org.apache.wss4j:wss4j-ws-security-policy-stax","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Apache Software Foundation\",\n                    \"product\": \"Apache WSS4J\",\n                    \"packageURL\": \"pkg:maven/org.apache.wss4j/wss4j-ws-security-policy-stax\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"4.0.0\",\n                            \"lessThan\": \"4.0.2\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"3.0.0\",\n                            \"lessThan\": \"3.0.6\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"0\",\n                            \"lessThan\": \"2.4.4\",\n                            \"versionType\": \"semver\"\n                        }\n                    ],\n                    \"defaultStatus\": \"unaffected\",\n                    \"collectionURL\": \"https://repo.maven.apache.org/maven2\",\n                    \"packageName\": \"org.apache.wss4j:wss4j-ws-security-policy-stax\"\n                }"}],"metrics":[],"references":["https://lists.apache.org/thread.html/lwlozb1x20d16f9dnyvoygc9rrhzq2vn"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-87830","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-87830","identifiers":["CVE-2026-87830"]},"retained":false,"historicalAffected":[]}],"coverage":[]}