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CVE-2026-97764

Estado: AplazadaBaja (3.7)—

django-allauth before 65.19.4 does not have the expected limits on failed login attempts because, in some common configurations, an attacker can leverage the handling of diacritics (e.g., accents) for a higher effective limit.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

django-allauth permite eludir límites de intentos fallidos mediante diacríticos, facilitando fuerza bruta contra credenciales (CWE-180). AV:N sin privilegios indica T1190.

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

Password PoliciesMulti-factor AuthenticationUpdate SoftwareVulnerability ScanningPrivileged Account ManagementNetwork Segmentation

Tecnologías afectadas (1)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Django-allauth — Django-allauthAI

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-97764",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-97764",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-09-25T13:37:23.042548Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "cve@mitre.org",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 3.7,
          "attackVector": "NETWORK",
          "baseSeverity": "LOW",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 2.2
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "repo": "https://codeberg.org/allauth/django-allauth",
          "vendor": "allauth",
          "modules": [
            "allauth.account.utils",
            "allauth.account.adapter.DefaultAccountAdapter"
          ],
          "product": "django-allauth",
          "versions": [
            {
              "status": "affected",
              "version": "0.25.0",
              "lessThan": "65.19.4",
              "versionType": "custom"
            }
          ],
          "packageURL": "pkg:pypi/django-allauth",
          "packageName": "django-allauth",
          "programFiles": [
            "allauth/account/utils.py",
            "allauth/account/adapter.py"
          ],
          "collectionURL": "https://pypi.org",
          "defaultStatus": "unaffected",
          "programRoutines": [
            {
              "name": "allauth.account.utils.filter_users_by_username()"
            },
            {
              "name": "allauth.account.utils.filter_users_by_email()"
            },
            {
              "name": "allauth.account.utils._unicode_ci_compare()"
            },
            {
              "name": "allauth.account.adapter.DefaultAccountAdapter._get_login_attempts_cache_key()"
            }
          ]
        }
      ]
    }
  ],
  "published": "2026-09-25T05:17:07.953",
  "references": [
    {
      "url": "https://codeberg.org/allauth/django-allauth/commit/4379e7931fe7572aacc4f3b4b5f2298d5f3ecc96",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://codeberg.org/allauth/django-allauth/commit/4e252aa2be7cef5d72d78049d6fb07cb27a89c83",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://codeberg.org/allauth/django-allauth/commit/ae472772c8f93bcb972205c9d7159051cf6f413a",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://docs.allauth.org/en/latest/release-notes/recent.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://pypi.org/project/django-allauth/",
      "source": "cve@mitre.org"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "cve@mitre.org",
      "description": [
        {
          "lang": "en",
          "value": "CWE-180"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "django-allauth before 65.19.4 does not have the expected limits on failed login attempts because, in some common configurations, an attacker can leverage the handling of diacritics (e.g., accents) for a higher effective limit."
    }
  ],
  "lastModified": "2026-09-30T17:32:07.107",
  "sourceIdentifier": "cve@mitre.org"
}