CVE-2026-53572
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.
Does this matter?
Lower severity and a low EPSS score (0.32%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 3.1
- 5.9 MEDIUMCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N
- EPSS
- 0.32% probability · 25th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-74, CWE-89
- Source
- security-advisories@github.com
References
- https://github.com/kedacore/keda/commit/703de9dec86cb25b6ecfa4948880a90487344d3f
- https://github.com/kedacore/keda/issues/7784
- https://github.com/kedacore/keda/pull/7787
- https://github.com/kedacore/keda/releases/tag/v2.20.0
- https://github.com/kedacore/keda/security/advisories/GHSA-6w3m-4hhp-775q
- https://github.com/kedacore/keda/security/advisories/GHSA-6w3m-4hhp-775q
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.