7.4

CVE-2026-19611

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

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.
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
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VulnDex Vulnerability Enrichment
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CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
RedHat 7.4 2.2 5.2
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
CWE-173 Improper Handling of Alternate Encoding

The product does not properly handle when an input uses an alternate encoding that is valid for the control sphere to which the input is being sent.

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