En bref
- CVE-2026-9803 est une vulnérabilité MOYENNE (CVSS 5.3) touchant org.keycloak:keycloak-services.
- Probabilité d'exploitation dans les 30 prochains jours (EPSS) : 0.42%, plus élevée que 36.1% des vulnérabilités.
- Correctif : mettre à jour vers 26.6.3 ou plus récent.
Description
A flaw was found in Keycloak's ClientRegistrationAuth component. A remote unauthenticated attacker can exploit this vulnerability by sending a specially crafted POST request with a malformed 'Authorization: Bearer' header to any client registration endpoint. This can lead to an ArrayIndexOutOfBoundsException, causing the server to return an HTTP 500 error and resulting in a Denial of Service (DoS) for the affected service.
NVD description
A flaw was found in Keycloak's ClientRegistrationAuth component. A remote unauthenticated attacker can exploit this vulnerability by sending a specially crafted POST request with a malformed 'Authorization: Bearer' header to any client registration endpoint. This can lead to an ArrayIndexOutOfBoundsException, causing the server to return an HTTP 500 error and resulting in a Denial of Service (DoS) for the affected service.
Autres vulnérabilités de org.keycloak:keycloak-services
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