CVE-2026-91765 SOAP XML Parser - Denial of Service

SOAP XML parser contains a denial of service caused by unbounded recursion in cleanup_xml_node and related functions, letting unauthenticated attackers crash the process by sending deeply nested SOAP requests.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.52% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Denial of Service
Impact
Denial Of Service
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
25 September 2026
Updated
15 October 2026
Weakness
CWE-674

Vendor fix

Update to the latest version with recursion depth limits or patches addressing this issue.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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