{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-18675", "assignerOrgId": "02762ae7-200e-4b20-9b2b-a77d5b8fc4cb", "state": "PUBLISHED", "assignerShortName": "Kong", "dateReserved": "2026-08-03T15:20:42.168Z", "datePublished": "2026-08-12T18:36:17.377Z", "dateUpdated": "2026-08-13T15:28:44.341Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "02762ae7-200e-4b20-9b2b-a77d5b8fc4cb", "shortName": "Kong", "dateUpdated": "2026-08-12T18:36:17.377Z"}, "title": "Kong Mesh: control plane denial of service via a malformed dataplane token with a non-string JWT kid", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-248", "description": "CWE-248 Uncaught Exception", "type": "CWE"}]}, {"descriptions": [{"lang": "en", "cweId": "CWE-704", "description": "CWE-704 Incorrect Type Conversion or Cast", "type": "CWE"}]}], "impacts": [{"descriptions": [{"lang": "en", "value": "Denial of Service"}]}], "affected": [{"vendor": "Kong Inc.", "product": "Kong Mesh", "platforms": ["Linux"], "modules": ["kuma-cp"], "versions": [{"status": "affected", "version": "0", "lessThan": "2.7.29", "versionType": "semver"}, {"status": "affected", "version": "2.8.0", "lessThan": "2.9.19", "versionType": "semver"}, {"status": "affected", "version": "2.10.0", "lessThan": "2.11.18", "versionType": "semver"}, {"status": "affected", "version": "2.12.0", "lessThan": "2.12.14", "versionType": "semver"}, {"status": "affected", "version": "2.13.0", "lessThan": "2.13.10", "versionType": "semver"}, {"status": "affected", "version": "2.14.0", "lessThan": "2.14.2", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "The dataplane token validator in kuma-cp performs an unchecked Go type assertion on the JWT kid header. 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