Vulnerabilities in pkg:maven/org.keycloak/keycloak-parent

{
  "schema_version" : "1.4.0",
  "id" : "GHSA-gv94-wp4h-vv8p",
  "modified" : "2026-06-09T11:58:24Z",
  "published" : "2026-01-08T06:31:32Z",
  "aliases" : [ "CVE-2026-0707" ],
  "summary" : "Keycloak has Incorrect Behavior Order: Authorization Before Parsing and Canonicalization",
  "details" : "A flaw was found in Keycloak. The Keycloak Authorization header parser is overly permissive regarding the formatting of the \"Bearer\" authentication scheme. It accepts non-standard characters (such as tabs) as separators and tolerates case variations that deviate from RFC 6750 specifications.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Maven",
      "name" : "org.keycloak:keycloak-parent"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "last_affected" : "26.5.0"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-0707"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/keycloak/keycloak/issues/49433"
  }, {
    "type" : "WEB",
    "url" : "https://access.redhat.com/errata/RHSA-2026:3947"
  }, {
    "type" : "WEB",
    "url" : "https://access.redhat.com/errata/RHSA-2026:3948"
  }, {
    "type" : "WEB",
    "url" : "https://access.redhat.com/security/cve/CVE-2026-0707"
  }, {
    "type" : "WEB",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2427768"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/keycloak/keycloak"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-551" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2026-01-08T21:14:12Z",
    "nvd_published_at" : "2026-01-08T04:15:56Z"
  }
}