Advisories for Maven/Org.wildfly.security/Wildfly-Elytron package

2025

WildFly Elytron OpenID Connect Client ExtensionOIDC authorization code injection attack

A vulnerability was found in OIDC-Client. When using the elytron-oidc-client subsystem with WildFly, authorization code injection attacks can occur, allowing an attacker to inject a stolen authorization code into the attacker's own session with the client with a victim's identity. This is usually done with a Man-in-the-Middle (MitM) or phishing attack.

2023

Wildfly-elytron possibly vulnerable to timing attacks via use of unsafe comparator

wildfly-elytron: possible timing attacks via use of unsafe comparator. A flaw was found in Wildfly-elytron. Wildfly-elytron uses java.util.Arrays.equals in several places, which is unsafe and vulnerable to timing attacks. To compare values securely, use java.security.MessageDigest.isEqual instead. This flaw allows an attacker to access secure information or impersonate an authed user.

2022

Session Fixation

A flaw was found in WildFly Elytron version 1.11.3.Final and before. When using WildFly Elytron FORM authentication with a session ID in the URL, an attacker could perform a session fixation attack. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.