{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:kanboard:kanboard:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "E6D20FE2-A681-49ED-B6E6-1218CDDD6759",
              "versionEndExcluding": "1.2.46",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Kanboard is project management software that focuses on the Kanban methodology. Prior to version 1.2.46, Kanboard is vulnerable to username enumeration and IP spoofing-based brute-force protection bypass. By analyzing login behavior and abusing trusted HTTP headers, an attacker can determine valid usernames and circumvent rate-limiting or blocking mechanisms. Any organization running a publicly accessible Kanboard instance is affected, especially if relying on IP-based protections like Fail2Ban or CAPTCHA for login rate-limiting. Attackers with access to the login page can exploit this flaw to enumerate valid usernames and bypass IP-based blocking mechanisms, putting all user accounts at higher risk of brute-force or credential stuffing attacks. Version 1.2.46 contains a patch for the issue."
    },
    {
      "lang": "es",
      "value": "Kanboard es un software de gesti\u00f3n de proyectos centrado en la metodolog\u00eda Kanban. Antes de la versi\u00f3n 1.2.46, Kanboard era vulnerable a la enumeraci\u00f3n de nombres de usuario y a la elusi\u00f3n de la protecci\u00f3n por fuerza bruta basada en suplantaci\u00f3n de IP. Al analizar el comportamiento de inicio de sesi\u00f3n y abusar de los encabezados HTTP de confianza, un atacante puede determinar nombres de usuario v\u00e1lidos y eludir los mecanismos de limitaci\u00f3n o bloqueo. Cualquier organizaci\u00f3n que ejecute una instancia de Kanboard de acceso p\u00fablico se ve afectada, especialmente si utiliza protecciones basadas en IP como Fail2Ban o CAPTCHA para la limitaci\u00f3n de la tasa de inicio de sesi\u00f3n. Los atacantes con acceso a la p\u00e1gina de inicio de sesi\u00f3n pueden explotar esta vulnerabilidad para enumerar nombres de usuario v\u00e1lidos y eludir los mecanismos de bloqueo basados en IP, lo que aumenta el riesgo de ataques de fuerza bruta o robo de credenciales. La versi\u00f3n 1.2.46 incluye un parche para solucionar este problema."
    }
  ],
  "id": "CVE-2025-52576",
  "lastModified": "2025-08-22T18:23:53.877",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 1.4,
        "source": "security-advisories@github.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 1.4,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2025-06-25T17:15:39.023",
  "references": [
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Product"
      ],
      "url": "https://github.com/kanboard/kanboard/blob/cbb7e60fb595ff4572bb8801b275a0b451c4bda0/app/Model/UserLockingModel.php#L101-L104"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Product"
      ],
      "url": "https://github.com/kanboard/kanboard/blob/cbb7e60fb595ff4572bb8801b275a0b451c4bda0/app/Subscriber/AuthSubscriber.php#L96-L108"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/kanboard/kanboard/commit/3079623640dc39f9c7b0c840d2a79095331051f1"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://github.com/kanboard/kanboard/security/advisories/GHSA-qw57-7cx6-wvp7"
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://github.com/kanboard/kanboard/security/advisories/GHSA-qw57-7cx6-wvp7"
    }
  ],
  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-203"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Secondary"
    }
  ]
}