VDB

CVE-2026-15554

CVE-2026-15554 PUBLISHED CVSS 7.4 HIGH

Reported by redhat · Published August 11, 2026

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.

Risk Scores

CVSS 3.1
7.4
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected Products

VendorProductVersions
Red HatRed Hat JBoss Enterprise Application Platform 7.4.25
Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 70:2.16.0-22.redhat_00057.1.el7eap
Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 70:2.3.14-11.SP11_redhat_00001.1.el7eap
Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 70:1.5.26-2.Final_redhat_00001.1.el7eap
Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 70:2.18.8-1.redhat_00003.1.el7eap
Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 70:2.18.8-1.redhat_00003.1.el7eap
Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 70:2.18.8-1.redhat_00003.1.el7eap
Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 70:2.18.8-1.redhat_00003.1.el7eap
Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 70:2.18.8-1.redhat_00003.1.el7eap
Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 70:2.18.8-1.redhat_00003.1.el7eap
Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 70:5.0.31-3.SP2_redhat_00001.1.el7eap
Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 70:1.10.0-46.Final_redhat_00044.1.el7eap
Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 70:4.1.135-1.Final_redhat_00001.1.el7eap
Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 70:4.1.135-1.Final_redhat_00001.1.el7eap
Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 70:2.5.5-30.SP12_redhat_00020.1.el7eap
Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 70:2.5.5-24.SP12_redhat_00016.1.el7eap
Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 70:2.2.40-2.SP3_redhat_00001.1.el7eap
Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 70:7.4.25-2.GA_redhat_00001.1.el7eap
Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 80:2.16.0-22.redhat_00057.1.el8eap
Red HatRed Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 80:2.3.14-11.SP11_redhat_00001.1.el8eap

…and 339 more

Timeline

  • Aug 11, 2026 Coalition ESS Score
  • Aug 11, 2026 CVE Published
  • Aug 12, 2026 Distribution Patch
  • Aug 12, 2026 Security Advisory
  • Aug 12, 2026 Distribution Patch
  • Aug 12, 2026 Security Advisory
  • Aug 16, 2026 Security Advisory
  • Aug 24, 2026 EPSS Score
  • Sep 5, 2026 EPSS Score
  • Sep 12, 2026 EPSS Score
  • Sep 17, 2026 EPSS Score
  • Sep 18, 2026 EPSS Score

References

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