Medium severity5.9OSV Advisory· Published Jul 8, 2026· Updated Jul 10, 2026
CVE-2026-58501
CVE-2026-58501
Description
Zeep is a Python SOAP client. From 4.0.0 before 4.3.3, Settings.forbid_external is defined but not enforced when parsing WSDL or XSD documents, allowing transitive xsd:import, xsd:include, wsdl:import, and lxml entity or DTD references to fetch attacker-chosen HTTP or HTTPS URLs. This issue is fixed in version 4.3.3.
Affected products
4- Range: 4.0.0 <= 4.3.3
Patches
Vulnerability mechanics
References
3- github.com/mvantellingen/python-zeep/commit/83eb07bc6c84d841329d4f88856fecdba86f753envdPatch
- github.com/mvantellingen/python-zeep/security/advisories/GHSA-4cc2-g9w2-fhf6nvdMitigationPatchVendor Advisory
- github.com/mvantellingen/python-zeep/releases/tag/4.3.3nvdRelease Notes
News mentions
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