CVE-2026-15556 (GCVE-0-2026-15556)

Vulnerability from cvelistv5 – Published: 2026-08-11 08:49 – Updated: 2026-09-17 23:27
VLAI
Title
Picketlink-federation: picketlink saml 2.0 auth bypass via missing assertions
Summary
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.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-11 17:44 UTC
CWE
  • CWE-347 - Improper Verification of Cryptographic Signature
References
URL Tags
https://access.redhat.com/errata/RHSA-2026:53644 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:53645 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:53646 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:53806 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2026-15556 vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2483121 issue-trackingx_refsource_REDHAT
Impacted products
Vendor Product Version CPE status
Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 Unaffected: 0:2.16.0-22.redhat_00057.1.el7eap , < * (rpm)
    cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el7
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Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 Unaffected: 0:2.3.14-11.SP11_redhat_00001.1.el7eap , < * (rpm)
    cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el7
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Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 Unaffected: 0:1.5.26-2.Final_redhat_00001.1.el7eap , < * (rpm)
    cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el7
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Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 Unaffected: 0:2.18.8-1.redhat_00003.1.el7eap , < * (rpm)
    cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el7
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Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 Unaffected: 0:5.0.31-3.SP2_redhat_00001.1.el7eap , < * (rpm)
    cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el7
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Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 Unaffected: 0:1.10.0-46.Final_redhat_00044.1.el7eap , < * (rpm)
    cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el7
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Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 Unaffected: 0:4.1.135-1.Final_redhat_00001.1.el7eap , < * (rpm)
    cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el7
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Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 Unaffected: 0:2.5.5-30.SP12_redhat_00020.1.el7eap , < * (rpm)
    cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el7
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Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 Unaffected: 0:2.5.5-24.SP12_redhat_00016.1.el7eap , < * (rpm)
    cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el7
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Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 Unaffected: 0:2.2.40-2.SP3_redhat_00001.1.el7eap , < * (rpm)
    cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el7
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Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7 Unaffected: 0:7.4.25-2.GA_redhat_00001.1.el7eap , < * (rpm)
    cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el7
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Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8 Unaffected: 0:2.16.0-22.redhat_00057.1.el8eap , < * (rpm)
    cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el8
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Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8 Unaffected: 0:2.3.14-11.SP11_redhat_00001.1.el8eap , < * (rpm)
    cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el8
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Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8 Unaffected: 0:1.5.26-2.Final_redhat_00001.1.el8eap , < * (rpm)
    cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el8
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Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8 Unaffected: 0:2.18.8-1.redhat_00003.1.el8eap , < * (rpm)
    cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el8
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Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8 Unaffected: 0:5.0.31-3.SP2_redhat_00001.1.el8eap , < * (rpm)
    cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el8
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Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8 Unaffected: 0:1.10.0-46.Final_redhat_00044.1.el8eap , < * (rpm)
    cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el8
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Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8 Unaffected: 0:4.1.135-1.Final_redhat_00001.1.el8eap , < * (rpm)
    cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el8
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Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8 Unaffected: 0:2.5.5-30.SP12_redhat_00020.1.el8eap , < * (rpm)
    cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el8
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Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8 Unaffected: 0:2.5.5-24.SP12_redhat_00016.1.el8eap , < * (rpm)
    cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el8
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Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8 Unaffected: 0:2.2.40-1.SP3_redhat_00001.1.el8eap , < * (rpm)
    cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el8
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Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8 Unaffected: 0:7.4.25-2.GA_redhat_00001.1.el8eap , < * (rpm)
    cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el8
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Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9 Unaffected: 0:2.16.0-22.redhat_00057.1.el9eap , < * (rpm)
    cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el9
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Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9 Unaffected: 0:2.3.14-11.SP11_redhat_00001.1.el9eap , < * (rpm)
    cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el9
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Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9 Unaffected: 0:1.5.26-2.Final_redhat_00001.1.el9eap , < * (rpm)
    cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el9
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Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9 Unaffected: 0:2.18.8-1.redhat_00003.1.el9eap , < * (rpm)
    cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el9
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Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9 Unaffected: 0:5.0.31-3.SP2_redhat_00001.1.el9eap , < * (rpm)
    cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el9
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Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9 Unaffected: 0:1.10.0-46.Final_redhat_00044.1.el9eap , < * (rpm)
    cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el9
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Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9 Unaffected: 0:4.1.135-1.Final_redhat_00001.1.el9eap , < * (rpm)
    cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el9
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Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9 Unaffected: 0:2.5.5-30.SP12_redhat_00020.1.el9eap , < * (rpm)
    cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el9
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Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9 Unaffected: 0:2.5.5-24.SP12_redhat_00016.1.el9eap , < * (rpm)
    cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el9
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Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9 Unaffected: 0:2.2.40-1.SP3_redhat_00001.1.el9eap , < * (rpm)
    cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el9
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Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9 Unaffected: 0:7.4.25-2.GA_redhat_00001.1.el9eap , < * (rpm)
    cpe:/a:redhat:jboss_enterprise_application_platform_els:7.4::el9
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Red Hat Red Hat JBoss Enterprise Application Platform 8     cpe:/a:redhat:jboss_enterprise_application_platform:8
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Red Hat Red Hat JBoss Enterprise Application Platform Expansion Pack     cpe:/a:redhat:jbosseapxp
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Date Public
2026-08-11 05:54
Show details on NVD website

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}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


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