CVE-2026-15554
Undertow-core: undertow: authentication bypass via ajp ssl_cert/is_ssl forgery
CVSS Score
7.4
EPSS Score
0.0%
EPSS Percentile
0th
the Undertow AJP listener honours forged ssl_cert and is_ssl AJP attributes without requiring any shared-secret authentication. This enables an unauthenticated attacker with direct TCP access to port 8009 to bypass CLIENT-CERT authentication by injecting a forged X.509 certificate via the AJP protocol.
| CWE | CWE-295 |
| Vendor | red hat |
| Product | red hat jboss enterprise application platform 7.4.25 |
| Published | Aug 11, 2026 |
| Last Updated | Sep 25, 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 JBoss Enterprise Application Platform 7.4.25
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 7
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform Expansion Pack
All versions affected References
access.redhat.com: https://access.redhat.com/errata/RHSA-2026:53644 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:53645 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:53646 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:53806 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:70228 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:70229 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:70230 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:70277 access.redhat.com: https://access.redhat.com/security/cve/CVE-2026-15554 bugzilla.redhat.com: https://bugzilla.redhat.com/show_bug.cgi?id=2480601