CVE-2026-15556
Picketlink-federation: picketlink saml 2.0 auth bypass via missing assertions
CVSS Score
8.1
EPSS Score
0.0%
EPSS Percentile
0th
A flaw was found in Picketlink's SP signature validation; a SAML response containing zero assertion elements matching the signature check can allow an attacker to forge a SAML response and auth as any principal with any roles on the protected application.
| CWE | CWE-347 |
| 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:L/PR:L/UI:N/S:U/C:H/I:H/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
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 7
All versions affected Red Hat / Red Hat JBoss Enterprise Application Platform 8
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/security/cve/CVE-2026-15556 bugzilla.redhat.com: https://bugzilla.redhat.com/show_bug.cgi?id=2483121