Description
A flaw was found in WildFly Elytron. Password hashing and verification normalize input with Unicode NFKC, which can collapse fullwidth characters to ASCII equivalents. A remote attacker can more easily guess affected passwords by using an ASCII-only dictionary against accounts whose passwords were intended to include those non-ASCII characters, leading to unauthorized access.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Red Hat Red Hat Build of Apache Camel 3.33.3.SP2
Default version status: affected
2.8.4.Final-redhat-00002 to < *unaffected
Red Hat Red Hat Build of Debezium 3.6
Default version status: unaffected
Red Hat Red Hat build of Quarkus 3.27.5.SP2
Default version status: unaffected
Red Hat Red Hat build of Quarkus 3.33.3.SP2
Default version status: unaffected
Red Hat Red Hat build of Apache Camel 4 for Quarkus 3
Default version status: affected
Red Hat Red Hat build of Debezium 3
Default version status: affected
Red Hat Red Hat Build of Keycloak
Default version status: affected
Red Hat Red Hat Build of Keycloak
Default version status: affected
Red Hat Red Hat Data Grid 8
Default version status: affected
Red Hat Red Hat JBoss Enterprise Application Platform 7
Default version status: affected
Red Hat Red Hat JBoss Enterprise Application Platform 7
Default version status: affected
Red Hat Red Hat JBoss Enterprise Application Platform 7
Default version status: affected
Red Hat Red Hat JBoss Enterprise Application Platform 8
Default version status: affected
Red Hat Red Hat JBoss Enterprise Application Platform Expansion Pack
Default version status: unaffected
Red Hat Red Hat Single Sign-On 7
Default version status: affected
References
- https://access.redhat.com/errata/RHSA-2026:69440 ↗
- https://access.redhat.com/errata/RHSA-2026:69470 ↗
- https://access.redhat.com/errata/RHSA-2026:70257 ↗
- https://access.redhat.com/errata/RHSA-2026:83612 ↗
- https://access.redhat.com/security/cve/CVE-2026-19611 ↗
- https://bugzilla.redhat.com/show_bug.cgi?id=2514568 ↗