A flaw was found in Keycloak, an open-source identity and access management solution. When a client application is configured to accept broad redirect Uniform Resource Identifiers (URIs), a remote attacker can manipulate the authentication process by crafting a special web address. If a user clicks this link, the client application might incorrectly prioritize attacker-controlled information over legitimate data. This vulnerability, known as HTTP parameter pollution, could allow an attacker to bypass security measures or gain unauthorized access to resources.
{
"github_reviewed_at": "2026-07-01T18:54:49Z",
"nvd_published_at": "2026-05-27T12:17:15Z",
"github_reviewed": true,
"cwe_ids": [
"CWE-1288"
],
"severity": "MODERATE"
}