CVE-2026-51992

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{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.1, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2026-51992", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-07-29T18:10:52.722326Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-89", "description": "CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-29T18:11:10.351Z"}}], "cna": {"affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "references": [{"url": "https://clickhouse.com/docs/sql-reference/dictionaries#postgresql"}, {"url": "https://github.com/TheLiimbo/CVE-2026-51992"}], "descriptions": [{"lang": "en", "value": "SQL Injection vulnerability in ClickHouse Server Versions <= 26.3.9.8 allows a remote attacker to execute arbitrary code via the create dictionaries function."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "text", "description": "n/a"}]}], "providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2026-08-05T16:47:26.279Z"}}}, "cveMetadata": {"cveId": "CVE-2026-51992", "state": "PUBLISHED", "dateUpdated": "2026-08-05T16:47:26.279Z", "dateReserved": "2026-06-08T00:00:00.000Z", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "datePublished": "2026-07-29T00:00:00.000Z", "assignerShortName": "mitre"}, "dataVersion": "5.2"}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.\u00a0ClickHouse's PostgreSQL integration intentionally allows users with valid PostgreSQL credentials to execute queries against a remote PostgreSQL server. No vulnerability in ClickHouse is exploited; code execution occurs on the downstream PostgreSQL server using credentials explicitly provided by the user with specific pg_execute_server_program permission, exploiting a feature that was wrongly reported as CVE-2019-9193 in PostgreSQL (https://www.postgresql.org/about/news/cve-2019-9193-not-a-security-vulnerability-1935/)."}], "id": "CVE-2026-51992", "lastModified": "2026-08-06T09:16:36.693", "metrics": {}, "published": "2026-07-29T17:16:52.040", "references": [], "sourceIdentifier": "cb7ba516-3b07-4c98-b0c2-715220f1a8f6", "vulnStatus": "Rejected"}

{"bugzilla": {"description": "ClickHouse Server: ClickHouse Server: Arbitrary code execution via SQL Injection in create dictionaries function", "id": "2508493", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2508493"}, "csaw": false, "cvss3": {"cvss3_base_score": "9.8", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-89", "details": ["SQL Injection vulnerability in ClickHouse Server Versions <= 26.3.9.8 allows a remote attacker to execute arbitrary code via the create dictionaries function.", "A flaw was found in ClickHouse Server. A SQL Injection vulnerability exists in the `create dictionaries` function, which allows a remote attacker to execute arbitrary code. This could lead to a complete compromise of the affected system."], "name": "CVE-2026-51992", "public_date": "2026-07-29T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-51992\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-51992\nhttps://clickhouse.com/docs/sql-reference/dictionaries#postgresql\nhttps://github.com/TheLiimbo/CVE-2026-51992"], "threat_severity": "Critical"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,26.3.9.8]"}}], "enrichment": {"confidence": 80.0, "confidence_source": "inferred", "scores": [{"score": 80.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "n/a", "source": "cna", "vendor": "n/a"}, "product": "clickhouse", "vendor": "clickhouse"}], "created": "2026-07-29T17:30:04.079509+00:00", "updated": "2026-08-04T12:45:05.423092+00:00", "vendors": ["clickhouse", "clickhouse$PRODUCT$clickhouse"]}