CVE-2026-91765 — SOAP: Unbounded Recursion in Server-Side cleanup_xml_node
cleanup_xml_node() in the SOAP XML parser recurses once per XML nesting level with no depth limit. An unauthenticated attacker can post a SOAP request containing tens of thousan…
Published: 2026-09-25 · CVSS: 7.5 · CVSS 3.1
cleanup_xml_node() in the SOAP XML parser recurses once per XML nesting level with no depth limit. An unauthenticated attacker can post a SOAP request containing tens of thousands of nested elements to any SoapServer endpoint, exhaust the stack and crash the process. The same unbounded recursion exists in the SOAP value decoder and in the WSDL node search helper.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7