{"id":"CVE-2026-53572","summary":"KEDA: PostgreSQL connection string parameter injection via incomplete whitespace escaping","details":"KEDA is a Kubernetes-based Event Driven Autoscaling component. Prior to 2.20.0, pkg/scalers/postgresql_scaler.go constructs libpq-style connection strings from tenant-controlled host, port, userName, dbName, sslmode, and password values, while escapePostgreConnectionParameter() only quotes values containing a literal space. Tabs, newlines, carriage returns, form feeds, vertical tabs, quotes, and backslashes can therefore create additional key-value tokens when pgx parses the string. An attacker able to create or modify a TriggerAuthentication or ScaledObject can inject host or sslmode parameters, redirect the database connection to an attacker-controlled server, expose credentials, or disable intended TLS protection. This issue is fixed in version 2.20.0.","aliases":["GHSA-6w3m-4hhp-775q","GO-2026-5940"],"modified":"2026-08-27T11:30:32.325530179Z","published":"2026-08-21T20:11:56.479Z","related":["CGA-vmr6-jh9h-v4hv","openSUSE-SU-2026:21483-1"],"database_specific":{"cwe_ids":["CWE-74","CWE-89"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53572.json","cna_assigner":"GitHub_M"},"references":[{"type":"WEB","url":"https://github.com/kedacore/keda/releases/tag/v2.20.0"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53572.json"},{"type":"ADVISORY","url":"https://github.com/kedacore/keda/security/advisories/GHSA-6w3m-4hhp-775q"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53572"},{"type":"REPORT","url":"https://github.com/kedacore/keda/issues/7784"},{"type":"FIX","url":"https://github.com/kedacore/keda/commit/703de9dec86cb25b6ecfa4948880a90487344d3f"},{"type":"FIX","url":"https://github.com/kedacore/keda/pull/7787"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/kedacore/keda","events":[{"introduced":"0"},{"fixed":"703de9dec86cb25b6ecfa4948880a90487344d3f"},{"fixed":"5322ecb9c19fb37e59344afbb388471d40efc0d8"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"2.20.0"}],"source":["AFFECTED_FIELD","REFERENCES"]}}],"versions":["v2.19.0","v2.18.0","v2.17.0","v2.16.0","v2.15.0","v2.14.0","v2.13.0","v2.12.0","v2.11.0","v2.10.0","v2.8.1","v2.9.1","v2.9.0","v2.8.0","v2.7.1","v2.7.0","v2.6.1","v2.6.0","v2.5.0","v2.4.0","v2.3.0","v2.2.0","v2.1.0","v2.0.0","v2.0.0-rc2","v2.0.0-rc","v2.0.0-beta","v1.5.0","v1.4.1","v1.4.0","v1.3.0","v1.2.0","v1.1.0","v1.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-53572.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N"}]}