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CVE-2025-3910

Status: AnalyzedMedium (5.4)—

A flaw was found in Keycloak. The org.keycloak.authorization package may be vulnerable to circumventing required actions, allowing users to circumvent requirements such as setting up two-factor authentication.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Redhat — Build OF Keycloak

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2025-3910",
  "cveTags": [],
  "metrics": {
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          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-04-30T15:52:31.582697Z"
        }
      }
    ],
    "cvssMetricV31": [
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        "cvssData": {
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              "versionType": "semver"
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              "versionType": "semver"
            },
            {
              "status": "unknown",
              "version": "26.1.0",
              "lessThan": "26.1.*",
              "versionType": "semver"
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              "status": "affected",
              "version": "26.2.0",
              "lessThan": "26.2.2",
              "versionType": "semver"
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          ],
          "packageName": "keycloak",
          "collectionURL": "https://www.keycloak.org/",
          "defaultStatus": "unaffected"
        },
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          "vendor": "Red Hat",
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          "packageName": "org.keycloak.authentication",
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "defaultStatus": "unaffected"
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          "versions": [
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              "lessThan": "*",
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          "packageName": "rhbk/keycloak-operator-bundle",
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          "packageName": "rhbk/keycloak-rhel9",
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  ],
  "published": "2025-04-29T21:15:51.707",
  "references": [
    {
      "url": "https://access.redhat.com/errata/RHSA-2025:4335",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "secalert@redhat.com"
    },
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    },
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      "source": "secalert@redhat.com"
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      "tags": [
        "Vendor Advisory"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://github.com/keycloak/keycloak/issues/39349",
      "tags": [
        "Issue Tracking"
      ],
      "source": "secalert@redhat.com"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "secalert@redhat.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-287"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A flaw was found in Keycloak. The org.keycloak.authorization package may be vulnerable to circumventing required actions, allowing users to circumvent requirements such as setting up two-factor authentication."
    },
    {
      "lang": "es",
      "value": "Se detectó una falla en Keycloak. El paquete org.keycloak.authorization podría ser vulnerable a eludir acciones obligatorias, lo que permite a los usuarios eludir requisitos como la configuración de la autenticación de dos factores."
    }
  ],
  "lastModified": "2026-09-21T06:17:00.497",
  "configurations": [
    {
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        {
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}