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CVE-2024-12369: Elytron-oidc-client: oidc authorization code injection

• Severity: medium (CVSS 4.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-12-09 · updated 2026-08-04
• Weakness: CWE-345

Description

A vulnerability was found in OIDC-Client. When using the RH SSO OIDC adapter with EAP 7.x or when using the elytron-oidc-client subsystem with EAP 8.x, 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.

Affected products

• Red Hat JBoss Enterprise Application Platform 7: all versions
• Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 8: all versions — fixed in 0:1.0.4-3.redhat_00004.1.el8eap, 0:1.80.0-1.redhat_00001.1.el8eap, 0:2.16.1-1.redhat_00001.1.el8eap, 0:2.2.9-1.Final_redhat_00001.1.el8eap, 0:3.0.1-1.redhat_00001.1.el8eap, 0:3.0.13-1.Final_redhat_00001.1.el8eap

How to fix

Upgrade to a fixed version: Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 8 0:1.0.4-3.redhat_00004.1.el8eap, 0:1.80.0-1.redhat_00001.1.el8eap, 0:2.16.1-1.redhat_00001.1.el8eap, 0:2.2.9-1.Final_redhat_00001.1.el8eap. Check the vendor advisory for mitigations.

References

• https://access.redhat.com/errata/RHSA-2025:3989
• https://access.redhat.com/errata/RHSA-2025:3990
• https://access.redhat.com/errata/RHSA-2025:3992
• https://access.redhat.com/security/cve/CVE-2024-12369
• https://bugzilla.redhat.com/show_bug.cgi?id=2331178
• https://github.com/wildfly-security/wildfly-elytron/commit/5ac5e6bbcba58883b3cebb2ddbcec4de140c5ceb
• https://github.com/wildfly-security/wildfly-elytron/commit/d7754f5a6a91ceb0f4dbbbfe301991f6a55404cb
• https://github.com/wildfly-security/wildfly-elytron/pull/2253
• https://github.com/wildfly-security/wildfly-elytron/pull/2261

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