CVE-2026-90436

** 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.…

Apache Software Foundation; Apache Axis 1.x (EOL). Product-level identification only; no affected-version conclusion is available from this field.

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listed by a tracked exploitation catalog · VulnCheck KEV

Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.