{"id":"CVE-2026-55509","state":"PUBLISHED","title":"WsgiDAV: Blind SQL injection in the MySQL provider","description":"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.","publishedAt":"2026-08-28T18:11:54.402Z","updatedAt":"2026-08-28T20:34:38.686Z","severity":{"score":8.8,"label":"High","version":"4.0","vector":"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","source":"GitHub_M"},"assigner":"GitHub_M","products":["mar10 wsgidav"],"affected":[{"vendor":"mar10","product":"wsgidav","versions":[{"version":"< 4.3.5","status":"affected"}]}],"references":["https://github.com/mar10/wsgidav/security/advisories/GHSA-p6gw-4frg-j7jw","https://github.com/mar10/wsgidav/commit/6f35776c9188f130ab044ce557015d51aaa83500","https://github.com/mar10/wsgidav/blob/master/CHANGELOG.md#435--2026-06-27","https://github.com/mar10/wsgidav/releases/tag/v4.3.5"],"weaknesses":["CWE-89"],"ingestedAt":"2026-10-29T20:12:24.861Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/55xxx/CVE-2026-55509.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-55509","state":"PUBLISHED","datePublished":"2026-08-28T18:11:54.402Z","dateUpdated":"2026-08-28T20:34:38.686Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-06-16T22:44:22.283Z"},"containers":{"cna":{"title":"WsgiDAV: Blind SQL injection in the MySQL provider","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"mar10","product":"wsgidav","versions":[{"version":"< 4.3.5","status":"affected"}]}],"references":[{"url":"https://github.com/mar10/wsgidav/security/advisories/GHSA-p6gw-4frg-j7jw","name":"https://github.com/mar10/wsgidav/security/advisories/GHSA-p6gw-4frg-j7jw","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/mar10/wsgidav/commit/6f35776c9188f130ab044ce557015d51aaa83500","name":"https://github.com/mar10/wsgidav/commit/6f35776c9188f130ab044ce557015d51aaa83500","tags":["x_refsource_MISC"]},{"url":"https://github.com/mar10/wsgidav/blob/master/CHANGELOG.md#435--2026-06-27","name":"https://github.com/mar10/wsgidav/blob/master/CHANGELOG.md#435--2026-06-27","tags":["x_refsource_MISC"]},{"url":"https://github.com/mar10/wsgidav/releases/tag/v4.3.5","name":"https://github.com/mar10/wsgidav/releases/tag/v4.3.5","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"LOW","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":8.8,"baseSeverity":"HIGH","vectorString":"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","version":"4.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-89","lang":"en","description":"CWE-89: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-08-28T18:11:54.402Z"},"source":{"advisory":"GHSA-p6gw-4frg-j7jw","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/mar10/wsgidav/security/advisories/GHSA-p6gw-4frg-j7jw","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-28T20:34:04.854543Z","id":"CVE-2026-55509","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-28T20:34:38.686Z"}}]}}}