CVE-2026-2092
HIGHKeycloak-services: keycloak: unauthorized access via improper validation of encrypted saml assertions
Title source: cnaDescription
A flaw was found in Keycloak. Keycloak's Security Assertion Markup Language (SAML) broker endpoint does not properly validate encrypted assertions when the overall SAML response is not signed. An attacker with a valid signed SAML assertion can exploit this by crafting a malicious SAML response. This allows the attacker to inject an encrypted assertion for an arbitrary principal, leading to unauthorized access and potential information disclosure.
References (6)
Core 6
Core References
Vendor Advisory vendor-advisory
x_refsource_redhat
RHSA-2026:3925
https://access.redhat.com/errata/RHSA-2026:3925
Vendor Advisory vendor-advisory
x_refsource_redhat
RHSA-2026:3926
https://access.redhat.com/errata/RHSA-2026:3926
Vendor Advisory vendor-advisory
x_refsource_redhat
RHSA-2026:3947
https://access.redhat.com/errata/RHSA-2026:3947
Vendor Advisory vendor-advisory
x_refsource_redhat
RHSA-2026:3948
https://access.redhat.com/errata/RHSA-2026:3948
Vdb Entry, X_Refsource_Redhat vdb-entry
x_refsource_redhat
https://access.redhat.com/security/cve/CVE-2026-2092
Issue Tracking, X_Refsource_Redhat issue-tracking
x_refsource_redhat
RHBZ#2437296
https://bugzilla.redhat.com/show_bug.cgi?id=2437296
Scores
CVSS v3
7.7
EPSS
0.0024
EPSS Percentile
14.3%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:L
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-1287
Status
published
Products (9)
org.keycloak/keycloak-saml-adapter-core
0Maven
org.keycloak/keycloak-saml-core
0Maven
org.keycloak/keycloak-services
0Maven
Red Hat/Red Hat build of Keycloak 26.2
26.2-16
Red Hat/Red Hat build of Keycloak 26.2
26.2.14-1
Red Hat/Red Hat build of Keycloak 26.2.14
Red Hat/Red Hat build of Keycloak 26.4
26.4-12
Red Hat/Red Hat build of Keycloak 26.4
26.4.10-1
Red Hat/Red Hat build of Keycloak 26.4.10
Published
Mar 18, 2026
Tracked Since
Mar 18, 2026