๐Ÿ” CVE Alert

CVE-2026-15556

HIGH 8.1

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
Published Aug 11, 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
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

NVD โ†— CVE.org โ†— EPSS Data โ†—
access.redhat.com: https://access.redhat.com/security/cve/CVE-2026-15556 bugzilla.redhat.com: https://bugzilla.redhat.com/show_bug.cgi?id=2483121