> CVE-2026-53572 [MEDIUM]

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PUBLISHED
2026-08-21 21:16
MODIFIED
2026-08-21 21:16
CVSS_SCORE V3
5.9
EPSS (Prob. Exploit)
0.39%
Top 69.0%
DATA SOURCES:
NVD 🔗 2026-08-21 CWE MITRE 🔗 2026-09-01 FIRST EPSS 🔗 2026-10-18 OSV 🔗 2026-10-26 MSRC 🔗 2026-09-01

> 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.

> AFFECTED_PRODUCTS

ℹ️ Aucun produit affecté n'a encore été publié par NVD pour cette CVE.

> CVSS V3 METRICS

CVSS_VECTOR
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N
EXPLOITABILITY
1.6
IMPACT
4.2

> MÉTRIQUES CVSS DÉTAILLÉES

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N
Métrique Valeur Interprétation
AV (Vecteur d'Attaque)
Attack Vector
Network (N)
Exploit possible à distance via réseau (HTTP, API, etc.)
AC (Complexité d'Attaque)
Attack Complexity
High (H)
Conditions spécifiques doivent être réunies pour exploiter
PR (Privilèges Requis)
Privileges Required
Low (L)
Authentifié avec compte utilisateur basique
UI (Interaction Utilisateur)
User Interaction
None (N)
Aucune interaction utilisateur nécessaire
S (Périmètre)
Scope
Unchanged (U)
Impact reste dans le périmètre du composant compromis
C (Impact Confidentialité)
Confidentiality Impact
High (H)
Divulgation totale d'informations
I (Impact Intégrité)
Integrity Impact
Low (L)
Modification limitée des données possible
A (Impact Disponibilité)
Availability Impact
None (N)
Aucune interruption de service

> RÉSUMÉ DES IMPACTS

Confidentialité
High
Divulgation totale d'informations
Intégrité
Low
Modification limitée des données possible
Disponibilité
None
Aucune interruption de service

> WEAKNESSES

CWE-74 CWE-89

> CWE DETAILED DESCRIPTIONS

CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') - The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component. | CWE-89: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') - The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. Without sufficient removal or quoting of SQL syntax in user-controllable inputs, the generated SQL query can cause those inputs to be interpreted as SQL instead of ordinary user data.

> OSV (GOOGLE OPEN SOURCE VULNERABILITIES)

KEDA: PostgreSQL connection string parameter injection via incomplete whitespace escaping

AFFECTED PACKAGES:
Unknown / Unknown
34 versions affected
ALIASES:
GHSA-6w3m-4hhp-775q, GO-2026-5940

> HISTORIQUE DES MODIFICATIONS

Première apparition
21/08/2026 21:16
Source: NVD
📊 ENRICHISSEMENT 01/09/2026 06:02
CWE
Champ modifié: Description CWE
Ancienne valeur:
N/A
Nouvelle valeur:
CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') - The product constructs all or part of a command, data structure, or record using externally...
Total des modifications: 1 Dernière mise à jour: 1 month ago

> 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
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