CVE-2026-2603
PoC —CVSS 3.1
8.1 high
EPSS
<1%p36
Published
()
Modified
Description
A flaw was found in Keycloak. A remote attacker could bypass security controls by sending a valid SAML response from an external Identity Provider (IdP) to the Keycloak SAML endpoint for IdP-initiated broker logins. This allows the attacker to complete broker logins even when the SAML Identity Provider is disabled, leading to unauthorized authentication.
- Vendors
- redhat
- Products
- build of keycloak
- Weakness
- CWE-306
- Vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
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