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CVE-2026-1529
HIGH8.1
Beschreibung
A flaw was found in Keycloak. An attacker can exploit this vulnerability by modifying the organization ID and target email within a legitimate invitation token's JSON Web Token (JWT) payload. This lack of cryptographic signature verification allows the attacker to successfully self-register into an unauthorized organization, leading to unauthorized access.
CVE Details
CVSS v3.1 Bewertung8.1
SchweregradHIGH
CVSS VektorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
AngriffsvektorNETWORK
KomplexitatLOW
Erforderliche PrivilegienLOW
BenutzerinteraktionNONE
Veroffentlicht2/9/2026
Zuletzt geandert2/10/2026
Quellenvd
Honeypot-Sichtungen0
Schwachen (CWE)
CWE-347
Referenzen
https://access.redhat.com/errata/RHSA-2026:2363(secalert@redhat.com)
https://access.redhat.com/errata/RHSA-2026:2364(secalert@redhat.com)
https://access.redhat.com/errata/RHSA-2026:2365(secalert@redhat.com)
https://access.redhat.com/errata/RHSA-2026:2366(secalert@redhat.com)
https://access.redhat.com/security/cve/CVE-2026-1529(secalert@redhat.com)
https://bugzilla.redhat.com/show_bug.cgi?id=2433783(secalert@redhat.com)
IOC Korrelationen
Keine Korrelationen erfasst
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