> CVE-2026-9800 [HIGH]

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PUBLISHED
2026-06-25 17:17
MODIFIED
2026-06-25 17:17
CVSS_SCORE V3
8.1
EPSS (Prob. Exploit)
0.65%
Top 48.8%
DATA SOURCES:
NVD 🔗 2026-06-25 CWE MITRE 🔗 2026-11-01 FIRST EPSS 🔗 2026-11-01 GITHUB 🔗 2026-11-05

> DESCRIPTION

A flaw was found in Keycloak Policy Enforcer. This vulnerability allows any authenticated user to bypass all authorization policies, including role, scope, and User-Managed Access (UMA) permission checks. By including the configured access-denied page path within a request URL, either as a path segment or a query parameter, an attacker can gain unauthorized access to protected resources.

> 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:L/PR:L/UI:N/S:U/C:H/I:H/A:N
EXPLOITABILITY
2.8
IMPACT
5.2

> MÉTRIQUES CVSS DÉTAILLÉES

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/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
Low (L)
Peu de conditions requises 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
High (H)
Modification totale des données possible
A (Impact Disponibilité)
Availability Impact
None (N)
Aucune interruption de service

> RÉSUMÉ DES IMPACTS

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

> WEAKNESSES

CWE-1025

> CWE DETAILED DESCRIPTIONS

CWE-1025: Comparison Using Wrong Factors - The code performs a comparison between two entities, but the comparison examines the wrong factors or characteristics of the entities.

> RED HAT SECURITY ADVISORIES

Red Hat Security Advisory: Red Hat build of Keycloak 26.6.4 Images Security Update
New images are available for Red Hat build of Keycloak 26.6.4 and Red Hat build of Keycloak 26.6.4 Operator, running on OpenShift Container Platform
Red Hat Security Advisory: Red Hat build of Keycloak 26.6.4 Security Update
New Red Hat build of Keycloak 26.6.4 packages are available from the Customer Portal
Red Hat Security Advisory: Red Hat build of Keycloak 26.4.13 Images Security Update
New images are available for Red Hat build of Keycloak 26.4.13 and Red Hat build of Keycloak 26.4.13 Operator, running on OpenShift Container Platform
Red Hat Security Advisory: Red Hat build of Keycloak 26.4.13 Security Update
New Red Hat build of Keycloak 26.4.13 packages are available from the Customer Portal
Red Hat Security Advisory: Red Hat build of Keycloak 26.4.14 Security Update
New Red Hat build of Keycloak 26.4.14 packages are available from the Customer Portal
Red Hat Security Advisory: Red Hat build of Keycloak 26.4.14 Images Security Update
New images are available for Red Hat build of Keycloak 26.4.14 and Red Hat build of Keycloak 26.4.14 Operator, running on OpenShift Container Platform

> GITHUB SECURITY ADVISORY

GHSA-f5p5-6xmx-p252 HIGH

Keycloak vulnerable to authorization bypass via incorrect uri comparison

AFFECTED PACKAGES:
MAVEN / org.keycloak:keycloak-policy-enforcer
< 26.0.10
Fixed in: 26.0.10
MAVEN / org.keycloak:keycloak-services
< 26.6.4
Fixed in: 26.6.4

> HISTORIQUE DES MODIFICATIONS

Première apparition
25/06/2026 17:17
Source: NVD
📊 ENRICHISSEMENT 01/11/2026 06:59
CWE
Champ modifié: Description CWE
Ancienne valeur:
CWE-1025: Comparison Using Wrong Factors - The code performs a comparison between two entities, but the comparison examines the wrong factors or characteristics of the entities, which can lead to inco...
Nouvelle valeur:
CWE-1025: Comparison Using Wrong Factors - The code performs a comparison between two entities, but the comparison examines the wrong factors or characteristics of the entities.
📊 ENRICHISSEMENT 01/07/2026 06:01
CWE
Champ modifié: Description CWE
Ancienne valeur:
N/A
Nouvelle valeur:
CWE-1025: Comparison Using Wrong Factors - The code performs a comparison between two entities, but the comparison examines the wrong factors or characteristics of the entities, which can lead to inco...
Total des modifications: 2 Dernière mise à jour: 5 days ago

> REFERENCES

https://access.redhat.com/security/cve/CVE-2026-9800
https://bugzilla.redhat.com/show_bug.cgi?id=2482472
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