Missing Critical Step in Authentication Affecting org.keycloak:keycloak-services package, versions [,26.5.7)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-JAVA-ORGKEYCLOAK-15426479
- published5 Mar 2026
- disclosed2 Mar 2026
- creditUnknown
Introduced: 2 Mar 2026
CVE-2026-3429 (opens in a new tab)How to fix?
Upgrade org.keycloak:keycloak-services to version 26.5.7 or higher.
Overview
org.keycloak:keycloak-services is an open source identity and access management solution for modern applications and services.
Affected versions of this package are vulnerable to Missing Critical Step in Authentication due to insufficient validation of the authentication Level of Assurance in the Account REST API. An attacker can gain control over a victim's account by deleting the victim's registered MFA device and registering their own, provided they have obtained the victim's primary credentials.