{"id":"EM-20261112-A2Q7","url":"https://cyber.eventmonitor.net/incident/EM-20261112-A2Q7/critical-apache-axis-vulnerability-cve-2026-90436/","type":"cve","title":"Critical Apache Axis Vulnerability (CVE-2026-90436)","subtitle":"CVE-2026-90436","subject":"CVE-2026-90436","status":"Developing","severity":"critical","affected":[],"headline":null,"born":"2026-11-12T00:00:00.000Z","firstSignal":"2026-11-06T16:18:59.763Z","lastSignal":"2026-11-12T00:00:00.000Z","updated":"2026-11-12T16:30:51.970Z","revision":1,"life":[{"status":"Born","at":"2026-11-12T00:00:00.000Z","why":"second independent source: C30 VulnCheck KEV"},{"status":"Developing","at":"2026-11-12T00:00:00.000Z","why":"signals keep joining"}],"changeLog":[{"at":"2026-11-06T16:18:59.763Z","what":"First signal: C6 NVD CVE API 2.0"},{"at":"2026-11-12T00:00:00.000Z","what":"Born: second source, C30 VulnCheck KEV. Page EM-20261112-A2Q7 created."}],"stages":[{"name":"Disclosed","at":"2026-11-06T16:18:59.763Z","detail":"C6 NVD published"},{"name":"Scored","at":"2026-11-06T16:18:59.763Z","detail":"CVSS 9.8 · EPSS 0.6%"},{"name":"Exploited","at":null,"detail":"No exploitation reported"},{"name":"Advisories","at":null,"detail":"None yet"},{"name":"Vendor Response","at":null,"detail":"None in sources yet"},{"name":"Resolved","at":null,"detail":"After 14 quiet days"}],"signals":[{"at":"2026-11-06T16:18:59.763Z","source":"C6","sourceName":"NVD CVE API 2.0","role":"Database","severity":4,"title":"CVE-2026-90436 (CVSS 9.8)","text":"** UNSUPPORTED WHEN ASSIGNED ** Deserialization of an inbound SOAP fault in Apache Axis 1.x allows unauthenticated remote class instantiation. When a SOAP <Fault> carries a <detail><exceptionName> element, Axis loads the named class and, if a String <data> element is also present, instantiates it through its String constructor before checking that it is an AxisFault. Loading alone runs the class's static initializer. With a suitable class on the application's classpath this leads to remote code execution. The fault is parsed while the engine resolves the target service, before any…","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-90436"},{"at":"2026-11-12T00:00:00.000Z","source":"C30","sourceName":"VulnCheck KEV","role":"Research & News","severity":3,"title":"CVE-2026-90436 known exploited (VulnCheck KEV): Apache axis Use of Externally-Controlled Input to Select Classes or Code","text":"** UNSUPPORTED WHEN ASSIGNED ** Deserialization of an inbound SOAP fault in Apache Axis 1.x allows unauthenticated remote class instantiation. When a SOAP  carries a  element, Axis loads the named class and, if a String  element is also present, instantiates it through its String constructor…","url":"https://vulncheck.com/browse/cve/CVE-2026-90436"}],"crowd":[],"reference":{"nvd":{"published":"2026-11-06T16:18:59.763","score":9.8,"severity":"CRITICAL","desc":"** UNSUPPORTED WHEN ASSIGNED ** Deserialization of an inbound SOAP fault in Apache Axis 1.x allows unauthenticated remote class instantiation. When a SOAP <Fault> carries a <detail><exceptionName> element, Axis loads the named class and, if a String <data> element is also present, instantiates it…","product":"","seen":1794345886420},"kev":null,"epss":{"epss":0.00567,"pct":0.47386,"at":1794338539165},"p0":false},"mergedInto":null,"publisher":"Event Monitor Cyber"}