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CVE-2026-6816

Estado: AnalizadaMedia (5.1)—

An access bypass vulnerability in Drupal TFA Basic Plugins allows users with the administer users permission to view or generate recovery codes for other users.

This issue affects TFA Basic Plugins: from 7.x-1.0 through 7.x-1.2.

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).

Tecnologías afectadas (1)

TFA Basic Plugins Project — TFA Basic Plugins

CWE

Referencias

JSON original (NVD)

Mostrar
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  "id": "CVE-2026-6816",
  "cveTags": [],
  "metrics": {
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-6816",
          "role": "CISA Coordinator",
          "options": [
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              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-05-29T18:33:12.747287Z"
        }
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    "cvssMetricV31": [
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        "source": "nvd@nist.gov",
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          "baseSeverity": "LOW",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N",
          "integrityImpact": "LOW",
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          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "LOW"
        },
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        "exploitabilityScore": 1.2
      }
    ],
    "cvssMetricV40": [
      {
        "type": "Secondary",
        "source": "mlhess@drupal.org",
        "cvssData": {
          "Safety": "NOT_DEFINED",
          "version": "4.0",
          "Recovery": "NOT_DEFINED",
          "baseScore": 5.1,
          "Automatable": "NOT_DEFINED",
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "exploitMaturity": "NOT_DEFINED",
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          "privilegesRequired": "HIGH",
          "subIntegrityImpact": "NONE",
          "vulnIntegrityImpact": "LOW",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "vulnAvailabilityImpact": "NONE",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "subConfidentialityImpact": "NONE",
          "vulnConfidentialityImpact": "LOW",
          "confidentialityRequirement": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED"
        }
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  "affected": [
    {
      "source": "mlhess@drupal.org",
      "affectedData": [
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          "repo": "https://git.drupalcode.org/project/tfa_basic",
          "vendor": "Drupal",
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          "versions": [
            {
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              "version": "7.x-1.0",
              "versionType": "custom",
              "lessThanOrEqual": "7.x-1.2"
            }
          ],
          "collectionURL": "https://www.drupal.org/project/tfa_basic",
          "defaultStatus": "unknown"
        }
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  ],
  "published": "2026-05-28T23:16:44.637",
  "references": [
    {
      "url": "https://d7es.tag1.com/security-advisories/tfa-basic-plugins-less-critical-access-bypass-sa-contrib-2025-085",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "mlhess@drupal.org"
    },
    {
      "url": "https://www.herodevs.com/vulnerability-directory/cve-2026-6816",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "mlhess@drupal.org"
    },
    {
      "url": "https://www.herodevs.com/vulnerability-directory/cve-2026-6816?nes-for-drupal-7",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "mlhess@drupal.org",
      "description": [
        {
          "lang": "en",
          "value": "CWE-267"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An access bypass vulnerability in Drupal TFA Basic Plugins allows users with the administer users permission to view or generate recovery codes for other users.\n\n\nThis issue affects TFA Basic Plugins: from 7.x-1.0 through 7.x-1.2."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de omisión de acceso en los plugins básicos de TFA de Drupal permite a los usuarios con el permiso 'administrar usuarios' ver o generar códigos de recuperación para otros usuarios.\n\nEste problema afecta a los plugins básicos de TFA: desde 7.x-1.0 hasta 7.x-1.2."
    }
  ],
  "lastModified": "2026-07-21T10:10:00.103",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:tfa_basic_plugins_project:tfa_basic_plugins:*:*:*:*:*:drupal:*:*",
              "vulnerable": true,
              "matchCriteriaId": "ACFFA1F8-5F80-4E2C-8366-3EEEB26F279C",
              "versionEndExcluding": "7.x-1.3",
              "versionStartIncluding": "7.x-1.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "mlhess@drupal.org"
}