{"id":"CVE-2026-58501","summary":"Zeep SSRF because Settings.forbid_external is not enforced","details":"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.","aliases":["GHSA-4cc2-g9w2-fhf6","PYSEC-2026-2323"],"modified":"2026-07-15T01:49:00.335091667Z","published":"2026-07-08T19:31:55.937Z","database_specific":{"cwe_ids":["CWE-918"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/58xxx/CVE-2026-58501.json","cna_assigner":"GitHub_M"},"references":[{"type":"WEB","url":"https://github.com/mvantellingen/python-zeep/releases/tag/4.3.3"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/58xxx/CVE-2026-58501.json"},{"type":"ADVISORY","url":"https://github.com/mvantellingen/python-zeep/security/advisories/GHSA-4cc2-g9w2-fhf6"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-58501"},{"type":"FIX","url":"https://github.com/mvantellingen/python-zeep/commit/83eb07bc6c84d841329d4f88856fecdba86f753e"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/mvantellingen/python-zeep","events":[{"introduced":"a65b4363c48b5c3f687b8df570bcbada8ba66b9b"},{"fixed":"1b7072c0dba397b86e8a47cf766a39f981b3a2de"},{"fixed":"83eb07bc6c84d841329d4f88856fecdba86f753e"}],"database_specific":{"cpe":"cpe:2.3:a:python-zeep:zeep:*:*:*:*:*:python:*:*","extracted_events":[{"introduced":"4.0.0"},{"fixed":"4.3.3"}],"source":["CPE_RANGE","REFERENCES"]}}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-58501.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"}]}