HIGH 7.7 Maven
Keycloak: Unauthorized access via improper validation of encrypted SAML assertions
GHSA-794g-x443-36f7 · BIT-keycloak-2026-2092 · CVE-2026-2092
Published · Modified
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Description
Keycloak's 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, injecting an encrypted assertion for an arbitrary principal, leading to unauthorized access and potential information disclosure.
References
- WEB https://github.com/keycloak/keycloak/security/advisories/GHSA-794g-x443-36f7
- ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2026-2092
- WEB https://github.com/keycloak/keycloak/pull/46929
- WEB https://github.com/keycloak/keycloak/commit/b40a25908d937bb0563ea516487bc2c7c1d92508
- WEB https://access.redhat.com/errata/RHSA-2026:3925
- WEB https://access.redhat.com/errata/RHSA-2026:3926
- WEB https://access.redhat.com/errata/RHSA-2026:3947
- WEB https://access.redhat.com/errata/RHSA-2026:3948
- WEB https://access.redhat.com/security/cve/CVE-2026-2092
- WEB https://bugzilla.redhat.com/show_bug.cgi?id=2437296
- PACKAGE https://github.com/keycloak/keycloak
- WEB https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-2092.json
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