CVE-2026-15554
High
Description
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.
SeverityHigh
CVSS7.4
Exploit probability—
ProductJboss Enterprise Application Platform Els 7.4
PublishedAug 11, 2026
First seenAug 11, 2026
Weakness typeCWE-295CWE-295
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| jboss_enterprise_application_platform_els 7.4 | No range specified | — |
| jboss_enterprise_application_platform 8.1 | No range specified | — |
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