CVE-2026-70370

{
  "id": "CVE-2026-70370",
  "sourceIdentifier": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c",
  "published": "2026-08-04T13:18:57.803",
  "lastModified": "2026-10-23T23:10:00.157",
  "vulnStatus": "Deferred",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Koha's reports/catalogue_stats.pl builds dynamic SQL in sub calculate by interpolating the user-controlled Line and Column request parameters directly into identifier positions of the query (SELECT DISTINCTROW, GROUP BY, ORDER BY) with no whitelist validation."
    },
    {
      "lang": "es",
      "value": "El archivo reports/catalogue_stats.pl de Koha construye SQL dinámico en la subrutina calculate al interpolar los parámetros de solicitud Line y Column controlados por el usuario directamente en posiciones de identificador de la consulta (SELECT DISTINCTROW, GROUP BY, ORDER BY) sin validación de lista blanca. Cuando Line contiene itemcallnumber y el parámetro cotedigits es verdadero, cotedigits se concatena adicionalmente en bruto como el argumento numérico de una llamada a LEFT(). Un usuario de personal autenticado que posee el permiso del módulo de informes puede inyectar SQL arbitrario y leer cualquier tabla accesible por el usuario de la base de datos de Koha, incluyendo borrowers (hashes de contraseñas, secretos de doble factor, datos personales), api_keys y sessions."
    }
  ],
  "affected": [
    {
      "source": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c",
      "affectedData": [
        {
          "vendor": "Koha Community",
          "product": "Koha",
          "defaultStatus": "unaffected",
          "collectionURL": "https://koha-community.org/",
          "programFiles": [
            "reports/catalogue_stats.pl"
          ],
          "repo": "https://gitlab.com/koha-community/Koha",
          "versions": [
            {
              "version": "0",
              "lessThanOrEqual": "24.11.17",
              "versionType": "semver",
              "status": "affected"
            },
            {
              "version": "25.05.00",
              "lessThanOrEqual": "25.05.12",
              "versionType": "semver",
              "status": "affected"
            },
            {
              "version": "25.11.00",
              "lessThanOrEqual": "25.11.06",
              "versionType": "semver",
              "status": "affected"
            },
            {
              "version": "26.05.00",
              "lessThanOrEqual": "26.05.01",
              "versionType": "semver",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "baseScore": 8.8,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.9
      },
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-08-04T17:20:50.487239Z",
          "id": "CVE-2026-70370",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-89"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=42363",
      "source": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c"
    },
    {
      "url": "https://download.koha-community.org/koha-25.05.12.tar.gz",
      "source": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c"
    },
    {
      "url": "https://koha-community.org/koha-25-05-12-released/",
      "source": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c"
    }
  ]
}