{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-18801","assignerOrgId":"02762ae7-200e-4b20-9b2b-a77d5b8fc4cb","state":"PUBLISHED","assignerShortName":"Kong","dateReserved":"2026-08-04T11:15:31.572Z","datePublished":"2026-08-04T14:53:01.659Z","dateUpdated":"2026-08-04T17:45:57.502Z"},"containers":{"cna":{"providerMetadata":{"orgId":"02762ae7-200e-4b20-9b2b-a77d5b8fc4cb","shortName":"Kong","dateUpdated":"2026-08-04T14:53:01.659Z"},"title":"Stored Clickhouse SQL Injection Through Customer Usage Attribution","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-20","description":"CWE-20 Improper input validation","type":"CWE"}]}],"impacts":[{"capecId":"CAPEC-66","descriptions":[{"lang":"en","value":"CAPEC-66 SQL Injection"}]}],"affected":[{"vendor":"openmeter","product":"openmeter","platforms":["Linux"],"repo":"https://github.com/openmeterio/openmeter/","versions":[{"status":"affected","version":"v1.0.0-beta.218","lessThanOrEqual":"v1.0.0-beta.231","versionType":"git"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"OpenMeter contains a stored, or second-order, SQL injection vulnerability in the handling of customer usage-attribution values.\n\n\n\nAn attacker who can create or update a customer can store a malicious value in the usageAttribution.key or usageAttribution.subjectKeys fields. When that customer is subsequently used in a meter or event query, OpenMeter inserts the stored value into a ClickHouse WITH map(...) expression using string concatenation.\n\nOpenMeter versions from v1.0.0-beta.218 through v1.0.0-beta.231 are affected.","supportingMedia":[{"type":"text/html","base64":false,"value":"<p><span>OpenMeter contains a stored, or second-order, SQL injection vulnerability in the handling of customer usage-attribution values.</span></p><p><span>An attacker who can create or update a customer can store a malicious value in the </span><code><span>usageAttribution.key</span></code><span> or </span><code><span>usageAttribution.subjectKeys</span></code><span> fields. When that customer is subsequently used in a meter or event query, OpenMeter inserts the stored value into a ClickHouse </span><code><span>WITH map(...)</span></code><span> expression using string concatenation.<br><br><span>OpenMeter versions from </span><code><span>v1.0.0-beta.218</span></code><span> through </span><code><span>v1.0.0-beta.231</span></code><span> are affected.</span><br><br><br></span></p>"}]}],"references":[{"url":"https://github.com/openmeterio/openmeter/security/advisories/GHSA-m2fw-9wxq-jgf5"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","subConfidentialityImpact":"HIGH","vulnIntegrityImpact":"LOW","subIntegrityImpact":"LOW","vulnAvailabilityImpact":"HIGH","subAvailabilityImpact":"HIGH","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":9.3,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:H/SC:H/SI:L/SA:H"}}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.4"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-04T17:45:41.382410Z","id":"CVE-2026-18801","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"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":"2026-08-04T17:45:57.502Z"}}]}}