Not a U.S. government website. NDD is an independent vulnerability database by Volerion and is not affiliated with or endorsed by NIST or NVD.
VOLERION
Volerion Security Research

NOT DEFERRED DATABASE

VULNERABILITIES

CVE-2026-15554 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:7.4 HIGHVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://access.redhat.com/errata/RHSA-2026:53644 [email protected]
https://access.redhat.com/errata/RHSA-2026:53645 [email protected]
https://access.redhat.com/errata/RHSA-2026:53646 [email protected]
https://access.redhat.com/errata/RHSA-2026:53806 [email protected]
https://access.redhat.com/errata/RHSA-2026:70228 [email protected]

see all 10 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-295Improper Certificate Validation[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

9 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-15554
NVD Published Date:
Aug 11, 2026
NVD Last Modified:
Sep 25, 2026
Source:
[email protected]
CVE-2026-15554 Details - Not Deferred