Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Python-Zeep | Zeep | >= 4.0.0, < 4.3.3 |
Related Weaknesses (CWE)
References
- https://github.com/mvantellingen/python-zeep/commit/83eb07bc6c84d841329d4f88856fPatch
- https://github.com/mvantellingen/python-zeep/releases/tag/4.3.3Release Notes
- https://github.com/mvantellingen/python-zeep/security/advisories/GHSA-4cc2-g9w2-MitigationPatchVendor Advisory
FAQ
What is CVE-2026-58501?
CVE-2026-58501 is a vulnerability with a CVSS score of 5.9 (MEDIUM). 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...
How severe is CVE-2026-58501?
CVE-2026-58501 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-58501?
Check the references section above for vendor advisories and patch information. Affected products include: Python-Zeep Zeep.