UBUNTU-CVE-2026-58501
A vulnerability in the python-zeep SOAP client versions from 4.0.0 before 4.3.3 allows external resource fetching during WSDL or XSD parsing. The setting intended to forbid external references is defined but not enforced, enabling fetching of attacker-controlled HTTP or HTTPS URLs via xsd:import, xsd:include, wsdl:import, and lxml entity or DTD references. This issue is fixed in version 4.3.3.
AI Analysis
Technical Summary
The python-zeep library, used for SOAP client functionality, has a vulnerability in versions 4.0.0 up to but not including 4.3.3 where the Settings.forbid_external option is defined but not enforced during parsing of WSDL or XSD documents. This allows an attacker to cause the client to fetch external resources from attacker-chosen HTTP or HTTPS URLs through transitive xsd:import, xsd:include, wsdl:import, and lxml entity or DTD references. The vulnerability is resolved in version 4.3.3.
Potential Impact
An attacker can cause the vulnerable python-zeep client to fetch arbitrary external HTTP or HTTPS resources during WSDL or XSD parsing. This can lead to information disclosure or other impacts related to unintended external resource retrieval. There is no indication of direct code execution or denial of service from the provided data.
Mitigation Recommendations
Upgrade python-zeep to version 4.3.3 or later, where the issue is fixed. No other mitigation is indicated or required according to the available data.
UBUNTU-CVE-2026-58501
Description
A vulnerability in the python-zeep SOAP client versions from 4.0.0 before 4.3.3 allows external resource fetching during WSDL or XSD parsing. The setting intended to forbid external references is defined but not enforced, enabling fetching of attacker-controlled HTTP or HTTPS URLs via xsd:import, xsd:include, wsdl:import, and lxml entity or DTD references. This issue is fixed in version 4.3.3.
CVSS v3.1
Score 5.9medium
Affected software
pkg:deb/ubuntu/[email protected]?arch=source&distro=bionicpkg:deb/ubuntu/[email protected]?arch=source&distro=focalpkg:deb/ubuntu/[email protected]?arch=source&distro=jammypkg:deb/ubuntu/[email protected]?arch=source&distro=noblepkg:deb/ubuntu/[email protected]?arch=source&distro=questingpkg:deb/ubuntu/[email protected]?arch=source&distro=resoluteRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The python-zeep library, used for SOAP client functionality, has a vulnerability in versions 4.0.0 up to but not including 4.3.3 where the Settings.forbid_external option is defined but not enforced during parsing of WSDL or XSD documents. This allows an attacker to cause the client to fetch external resources from attacker-chosen HTTP or HTTPS URLs through transitive xsd:import, xsd:include, wsdl:import, and lxml entity or DTD references. The vulnerability is resolved in version 4.3.3.
Potential Impact
An attacker can cause the vulnerable python-zeep client to fetch arbitrary external HTTP or HTTPS resources during WSDL or XSD parsing. This can lead to information disclosure or other impacts related to unintended external resource retrieval. There is no indication of direct code execution or denial of service from the provided data.
Mitigation Recommendations
Upgrade python-zeep to version 4.3.3 or later, where the issue is fixed. No other mitigation is indicated or required according to the available data.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- UBUNTU-CVE-2026-58501
- Osv Schema Version
- 1.7.0
- Aliases
- []
- Ecosystems
- ["Ubuntu:18.04:LTS","Ubuntu:20.04:LTS","Ubuntu:22.04:LTS","Ubuntu:24.04:LTS","Ubuntu:25.10","Ubuntu:26.04:LTS"]
- Database Specific Severity
- null
- Cvss Version
- 3.1
Threat ID: 6a58b45968715ace43d6bc02
Added to database: 07/16/2026, 10:37:13 UTC
Last enriched: 07/16/2026, 11:34:38 UTC
Last updated: 07/31/2026, 19:24:48 UTC
Views: 6
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