Medium 5.9Published Jul 8, 2026

CVE-2026-58501Zeep SSRF because Settings.forbid_external is not enforced

Updated under an hour ago (Oct 27, 2026, 12:50 AM ET)

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It affects mvantellingen python-zeep and 1 other product. Add what you run to find out whether that includes you.

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Every CVE for mvantellingen python-zeep

Exploited in the last 30 days

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: 5.9 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness (CWE): CWE-918
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: GitHub_M
NVD analysis: Analyzed
Record last updated: Jul 9, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

mvantellingen python-zeep mvantellingen:python_zeep (from the name)	from 4.0.0, < 4.3.3	CNA record
python-zeep zeep python-zeep:zeep	from 4.0.0 before 4.3.3	NVD

References

References

https://github.com/mvantellingen/python-zeep/security/advisories/GHSA-4cc2-g9w2-fhf6	x-refsource-confirm, mitigation, patch, vendor-advisory
https://github.com/mvantellingen/python-zeep/commit/83eb07bc6c84d841329d4f88856fecdba86f753e	x-refsource-misc, patch
https://github.com/mvantellingen/python-zeep/releases/tag/4.3.3	x-refsource-misc, release-notes

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.