{"id":"CVE-2026-55509","summary":"WsgiDAV: Blind SQL injection in the MySQL provider","details":"WsgiDAV is a generic and extendable WebDAV server based on WSGI. Prior to 4.3.5, the sample MySQLBrowserProvider in wsgidav/samples/mysql_dav_provider.py concatenates the record key parsed from a request URL directly into SQL WHERE clauses. The affected _exists_record_by_primary_key, _get_field_by_primary_key, and _get_record_by_primary_key methods are part of a shipped example provider that is not enabled by default. An attacker who can access a share explicitly configured with this non-default provider can inject SQL through a normal GET request; anonymously exposed read shares permit a status-code oracle and extraction of arbitrary data reachable by the configured MySQL account. This issue is fixed in version 4.3.5.","aliases":["GHSA-p6gw-4frg-j7jw","PYSEC-2026-3945"],"modified":"2026-09-11T03:30:27.276513554Z","published":"2026-08-28T18:11:54.402Z","database_specific":{"cwe_ids":["CWE-89"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/55xxx/CVE-2026-55509.json","cna_assigner":"GitHub_M"},"references":[{"type":"WEB","url":"https://github.com/mar10/wsgidav/blob/master/CHANGELOG.md#435--2026-06-27"},{"type":"WEB","url":"https://github.com/mar10/wsgidav/releases/tag/v4.3.5"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/55xxx/CVE-2026-55509.json"},{"type":"ADVISORY","url":"https://github.com/mar10/wsgidav/security/advisories/GHSA-p6gw-4frg-j7jw"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-55509"},{"type":"FIX","url":"https://github.com/mar10/wsgidav/commit/6f35776c9188f130ab044ce557015d51aaa83500"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/mar10/wsgidav","events":[{"introduced":"0"},{"fixed":"6f35776c9188f130ab044ce557015d51aaa83500"},{"fixed":"23fca6dbfc50f5c94ef09aa249807251659a7e70"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"4.3.5"}],"source":["AFFECTED_FIELD","REFERENCES"]}}],"versions":["v4.3.4","v4.3.2","v4.3.1","v4.3.0","v4.2.0","v4.1.0","v4.0.1","v4.0.0","v4.0.0-a2","v3.1.1","v3.1.0","v3.0.5-a3","v3.0.5-a2","v3.0.5-a1","v3.0.3","v3.0.2","v3.0.1","v3.0.0a6","v3.0.0a5","v3.0.0a4","v3.0.0a2","v3.0.0a1","v2.3.0","v2.2.4","v2.2.2","v2.2.1","v2.1.0","v2.0.1","v2.0.0","v1.3.0","v1.2.0","1.1.0","1.0.0","0.5.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-55509.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N"}]}