CVE-2026-62669

{
  "id": "CVE-2026-62669",
  "sourceIdentifier": "[email protected]",
  "published": "2026-08-19T16:18:19.460",
  "lastModified": "2026-10-26T11:10:00.157",
  "vulnStatus": "Deferred",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Grav Login Plugin adds login, basic ACL, and session wide messages to Grav. Prior to 3.8.11, the Grav Login plugin login.regenerate2FASecret task checks only that the pending-session user exists rather than requiring $user->authorized. After submitting a victim's correct password, an attacker can invoke taskRegenerate2FASecret() during the pending TOTP challenge, overwrite twofa_secret, read the replacement secret from the response, calculate a valid code, and complete authentication without the victim's second factor. This issue is fixed in version 3.8.11."
    },
    {
      "lang": "es",
      "value": "El plugin de inicio de sesión de Grav añade inicio de sesión, ACL básica y mensajes a nivel de sesión a Grav. Antes de la versión 3.8.11, la tarea login.regenerate2FASecret del plugin de inicio de sesión de Grav solo verifica que el usuario de la sesión pendiente exista en lugar de requerir $user  ->  authorized. Después de enviar la contraseña correcta de una víctima, un atacante puede invocar taskRegenerate2FASecret() durante el desafío TOTP pendiente, sobrescribir twofa_secret, leer el secreto de reemplazo de la respuesta, calcular un código válido y completar la autenticación sin el segundo factor de la víctima. Este problema está solucionado en la versión 3.8.11."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "getgrav",
          "product": "grav",
          "versions": [
            {
              "version": "< 2.0.4",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "getgrav",
          "product": "grav-plugin-login",
          "versions": [
            {
              "version": "< 3.8.11",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
          "baseScore": 7.4,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "HIGH",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 5.2
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-08-19T18:16:05.801751Z",
          "id": "CVE-2026-62669",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-287"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://github.com/getgrav/grav-plugin-login/commit/5d1b722298cb947d8f434025d121b99152a2c630",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/getgrav/grav-plugin-login/releases/tag/3.8.11",
      "source": "[email protected]"
    },
    {
      "url": "https://github.com/getgrav/grav/security/advisories/GHSA-7mgc-c7pq-3rr3",
      "source": "[email protected]"
    }
  ]
}