{"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"}}]}}