{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-42316", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-04-26T12:37:18.170Z", "datePublished": "2026-05-11T16:41:07.091Z", "dateUpdated": "2026-05-11T17:27:23.704Z"}, "containers": {"cna": {"title": "KQL injection via kusto.tables.topics.mapping in kafka-sink-azure-kusto", "problemTypes": [{"descriptions": [{"cweId": "CWE-943", "lang": "en", "description": "CWE-943: Improper Neutralization of Special Elements in Data Query Logic", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N/E:P/RL:O/RC:C", "version": "3.1"}}], "references": [{"name": "https://github.com/Azure/kafka-sink-azure-kusto/security/advisories/GHSA-c9mr-mqvh-6wgj", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/Azure/kafka-sink-azure-kusto/security/advisories/GHSA-c9mr-mqvh-6wgj"}, {"name": "https://github.com/Azure/kafka-sink-azure-kusto/pull/155", "tags": ["x_refsource_MISC"], "url": "https://github.com/Azure/kafka-sink-azure-kusto/pull/155"}, {"name": "https://github.com/Azure/kafka-sink-azure-kusto/releases/tag/v5.2.3", "tags": ["x_refsource_MISC"], "url": "https://github.com/Azure/kafka-sink-azure-kusto/releases/tag/v5.2.3"}], "affected": [{"vendor": "Azure", "product": "kafka-sink-azure-kusto", "versions": [{"version": "< 5.2.3", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-05-11T16:41:07.091Z"}, "descriptions": [{"lang": "en", "value": "kafka-sink-azure-kusto Kafka Connect plugin is the official Microsoft sink for Azure Data Explorer (Kusto). Prior to 5.2.3, kafka-sink-azure-kusto did not sanitize user-controlled values inside the kusto.tables.topics.mapping configuration. The db, table, mapping, and format fields of each mapping entry were interpolated directly into KQL management/query commands via String.formatted(...) (e.g., FETCH_TABLE_COMMAND.formatted(table) \u2192 \"<table> | count\", FETCH_TABLE_MAPPING_COMMAND.formatted(table, format, mapping) \u2192 \".show table <table> ingestion <format> mapping '<mapping>'\"). An actor able to influence the connector configuration (for example, someone with permissions to submit or edit Kafka Connect connector configs) could embed KQL metacharacters (;, |, ') to execute arbitrary management commands in the context of the connector's service principal \u2014 enabling schema enumeration/modification, ingestion-mapping tampering, or changes to streaming/retention policies on the target Azure Data Explorer database. This is a tampering vulnerability. Exploitation requires privileged access to the connector configuration; no end-user interaction or Kafka record payload is involved. This vulnerability is fixed in 5.2.3."}], "source": {"advisory": "GHSA-c9mr-mqvh-6wgj", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-05-11T17:27:18.333065Z", "id": "CVE-2026-42316", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-11T17:27:23.704Z"}}]}}

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{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,5.2.3)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "kafka-sink-azure-kusto", "source": "cna", "vendor": "Azure"}, "product": "kafka-sink-azure-kusto", "vendor": "azure"}], "created": "2026-05-11T18:45:25.668632+00:00", "updated": "2026-05-12T09:22:52.638859+00:00", "vendors": ["azure", "azure$PRODUCT$kafka-sink-azure-kusto"]}