CVE-2026-91765
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.
Published:Sep 25, 2026
Last Modified:Oct 23, 2026
EPS:Sep 25, 2026
EPSS Score:0.00516
CVSS Score:7.5
Affected Products
Vendor
Product
Action
Vendor
Php
Product
Php
Php
Php
Vendor
Php Group
Product
Php
Php Group
Php
Vendor
Redhat
Product
Hummingbird
Redhat
Hummingbird
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
Related CVEs
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
