CVE-2026-19611

HIGH 7.4

Wildfly-elytron: org.wildfly.security/wildfly-elytron-password-impl: wildfly-elytron: password keyspace reduction via nfkc fullwidth folding

CVSS Score

7.4

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-173
Vendor	red hat
Product	red hat build of apache camel 4 for quarkus 3
Published	Aug 20, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

Affected Versions

Red Hat / Red Hat build of Apache Camel 4 for Quarkus 3

All versions affected

Red Hat / Red Hat build of Debezium 3

All versions affected

Red Hat / Red Hat Build of Keycloak

All versions affected

Red Hat / Red Hat Build of Keycloak

All versions affected

Red Hat / Red Hat build of Quarkus

All versions affected

Red Hat / Red Hat Data Grid 8

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 7

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 7

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 7

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform Expansion Pack

All versions affected

Red Hat / Red Hat Single Sign-On 7

All versions affected

References

NVD ↗ CVE.org ↗ EPSS Data ↗

access.redhat.com: https://access.redhat.com/security/cve/CVE-2026-19611 bugzilla.redhat.com: https://bugzilla.redhat.com/show_bug.cgi?id=2514568

Credits

Upstream acknowledges LiuBo-keep (aidan) as the original reporter.