CVE-2026-18963

A flaw was found in the reset-credentials flow of the keycloak-services component, which is the core engine for identity and access management in Red Hat Build of Keycloak. The issue allows an unauthenticated attacker to force the password reset process for any user without needing to click the required email verification link. This can result in the attacker gaining full control over target user accounts by directly setting new credentials.

CVSS v3 9.1 CRITICAL

9.1^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://access.redhat.com/errata/RHSA-2026:56519
https://access.redhat.com/errata/RHSA-2026:56520
https://access.redhat.com/errata/RHSA-2026:56523
https://access.redhat.com/errata/RHSA-2026:56524
https://access.redhat.com/security/cve/CVE-2026-18963
https://bugzilla.redhat.com/show_bug.cgi?id=2511595
https://cert-portal.siemens.com/productcert/html/ssa-503852.html

Configurations

No configuration.

History

No history.

Information

Published : 2026-08-18 17:16

Updated : 2026-09-08 09:17

NVD link : CVE-2026-18963

Mitre link : CVE-2026-18963

CVE.ORG link : CVE-2026-18963

JSON object : View

Products Affected

No product.

CWE

CWE-640

Weak Password Recovery Mechanism for Forgotten Password

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