{"id":"CVE-2026-19001","state":"PUBLISHED","title":"MongoDB BI Connector ODBC driver may write outside an allocated buffer when handling oversized catalog object names","description":"The MongoDB BI Connector ODBC Driver may write outside the bounds of a fixed-size buffer when an application supplies an unusually long catalog, schema, or object name to a metadata retrieval function. This may result in memory corruption within the calling application's process, leading to abnormal termination and, under certain conditions, the potential for arbitrary code execution.","publishedAt":"2026-08-12T20:27:02.913Z","updatedAt":"2026-08-13T12:55:40.150Z","severity":{"score":9.5,"label":"Critical","version":"4.0","vector":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:N","source":"mongodb"},"assigner":"mongodb","products":["MongoDB BI Connector ODBC Driver"],"affected":[{"vendor":"MongoDB","product":"BI Connector ODBC Driver","defaultStatus":"unaffected","versions":[{"version":"1.0.0","status":"affected","lessThan":"1.4.9","versionType":"semver"}],"repo":"https://github.com/mongodb/mongo-bi-connector-odbc-driver"}],"references":["https://github.com/mongodb/mongo-bi-connector-odbc-driver/releases/tag/v1.4.9"],"weaknesses":["CWE-190"],"ingestedAt":"2026-10-29T20:11:10.572Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/19xxx/CVE-2026-19001.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-19001","state":"PUBLISHED","datePublished":"2026-08-12T20:27:02.913Z","dateUpdated":"2026-08-13T12:55:40.150Z","assignerShortName":"mongodb","assignerOrgId":"a39b4221-9bd0-4244-95fc-f3e2e07f1deb","dateReserved":"2026-08-05T19:46:27.396Z"},"containers":{"cna":{"title":"MongoDB BI Connector ODBC driver may write outside an allocated buffer when handling oversized catalog object names","descriptions":[{"lang":"en","value":"The MongoDB BI Connector ODBC Driver may write outside the bounds of a fixed-size buffer when an application supplies an unusually long catalog, schema, or object name to a metadata retrieval function. This may result in memory corruption within the calling application's process, leading to abnormal termination and, under certain conditions, the potential for arbitrary code execution."}],"affected":[{"vendor":"MongoDB","product":"BI Connector ODBC Driver","defaultStatus":"unaffected","versions":[{"version":"1.0.0","status":"affected","lessThan":"1.4.9","versionType":"semver"}],"repo":"https://github.com/mongodb/mongo-bi-connector-odbc-driver"}],"references":[{"url":"https://github.com/mongodb/mongo-bi-connector-odbc-driver/releases/tag/v1.4.9"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"HIGH","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","subConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","subIntegrityImpact":"HIGH","vulnAvailabilityImpact":"HIGH","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"CRITICAL","baseScore":9.5,"vectorString":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:N"}},{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseSeverity":"CRITICAL","baseScore":9.8,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-190","lang":"en","description":"CWE-190: Integer overflow or wraparound","type":"CWE"}]}],"providerMetadata":{"shortName":"mongodb","orgId":"a39b4221-9bd0-4244-95fc-f3e2e07f1deb","dateUpdated":"2026-08-12T20:27:02.913Z"},"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.4"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-13T12:55:24.710091Z","id":"CVE-2026-19001","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-13T12:55:40.150Z"}}]}}}