{"id":"CVE-2026-18801","aliases":["EUVD-2026-52725","GHSA-m2fw-9wxq-jgf5","GHSA-r49g-35qj-7264"],"status":"published","title":"Stored Clickhouse SQL Injection Through Customer Usage Attribution","description":"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.","severity":{"version":"4.0","score":9.3,"vector":"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","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00386,"percentile":0.32965,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2026-08-04T14:53:01Z","modified":"2026-10-28T02:30:22Z","products":[{"vendor":"openmeter","product":"openmeter"}],"references":[{"url":"https://github.com/openmeterio/openmeter/security/advisories/GHSA-m2fw-9wxq-jgf5","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-18801","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-r49g-35qj-7264"},{"url":"https://github.com/openmeterio/openmeter/","tags":["web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/18xxx/CVE-2026-18801.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-18801","title":"Stored Clickhouse SQL Injection Through Customer Usage Attribution","description":"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.","status":"published","published":"2026-08-04T14:53:01.659Z","modified":"2026-08-04T17:45:57.502Z","cvss":[{"version":"4.0","score":9.3,"vector":"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","level":"critical","assessor":"cna"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:20:12.60856Z"}],"euvd":[{"id":"EUVD-2026-52725","description":"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.","status":"published","published":"2026-08-04T14:53:01Z","modified":"2026-08-04T17:45:57Z","cvss":[{"version":"4.0","score":9.3,"vector":"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","level":"critical"}],"updated_at":"2026-11-02T18:02:22.516769Z"}],"ghsa":[{"id":"GHSA-r49g-35qj-7264","title":"OpenMeter contains a stored, or second-order, SQL injection vulnerability in the handling of...","description":"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.","status":"published","published":"2026-08-04T18:31:26Z","modified":"2026-08-04T18:31:31Z","cvss":[{"version":"4.0","score":9.3,"vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"critical"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T15:10:05.423688Z"}],"nvd":[{"id":"CVE-2026-18801","description":"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.","status":"published","published":"2026-08-04T16:16:22.647Z","modified":"2026-08-31T19:22:43.473Z","cvss":[{"version":"4.0","score":9.3,"vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"critical","assessor":"secondary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:12:34.643497Z"}],"osv":[{"id":"CVE-2026-18801","title":"Stored Clickhouse SQL Injection Through Customer Usage Attribution","description":"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.","status":"published","published":"2026-08-04T14:53:01.659Z","modified":"2026-10-28T02:30:22.149169908Z","cvss":[{"version":"4.0","score":9.3,"vector":"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","level":"critical"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T15:44:58.024074Z"}]}}