8.1

CVE-2026-1529

Org.keycloak.services.resources.organizations: keycloak: unauthorized organization registration via improper invitation token validation

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.
Daten sind bereitgestellt durch das CVE Programm von Authorized Data Publishers (ADP) (Unstrukturiert)
HerstellerRed Hat
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Produkt Red Hat build of Keycloak 26.2
Default Statusaffected
HerstellerRed Hat
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Produkt Red Hat build of Keycloak 26.4
Default Statusaffected
HerstellerRed Hat
≫
Produkt Red Hat build of Keycloak 26.2.13
Default Statusaffected
HerstellerRed Hat
≫
Produkt Red Hat build of Keycloak 26.4.9
Default Statusaffected
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.45% 0.361
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
secalert@redhat.com 8.1 2.8 5.2
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
0b0ca135-0b70-47e7-9f44-1890c2a1c46c 8.1 2.8 5.2
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
CWE-347 Improper Verification of Cryptographic Signature

The product does not verify, or incorrectly verifies, the cryptographic signature for data.

https://access.redhat.com/security/cve/CVE-2026-1529
https://bugzilla.redhat.com/show_bug.cgi?id=2433783
https://access.redhat.com/errata/RHSA-2026:2364
https://access.redhat.com/errata/RHSA-2026:2365
https://access.redhat.com/errata/RHSA-2026:2366
https://access.redhat.com/errata/RHSA-2026:2363
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-1529.json