CVE-2026-47082

{
  "id": "CVE-2026-47082",
  "sourceIdentifier": "[email protected]",
  "published": "2026-07-16T19:16:48.713",
  "lastModified": "2026-10-24T20:10:00.137",
  "vulnStatus": "Deferred",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2. The vacation \"fcc\" feature skips the destination-mailbox ACL. A user whose vacation Sieve script used :fcc (to save a copy of the sent message) could deliver vacation auto-reply copies into any mailbox the script could name, regardless of whether the script owner had insert permissions on the destination mailbox."
    },
    {
      "lang": "es",
      "value": "Se descubrió un problema en cyrus-imapd en Cyrus IMAP hasta la versión 3.12.2. La característica ’fcc’ de vacaciones omite la ACL del buzón de destino. Un usuario cuyo script Sieve de vacaciones usaba :fcc (para guardar una copia del mensaje enviado) podría entregar copias de respuesta automática de vacaciones en cualquier buzón que el script pudiera nombrar, independientemente de si el propietario del script tenía permisos de inserción en el buzón de destino."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "cyrusimap",
          "product": "Cyrus IMAP",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "0",
              "lessThan": "3.12.3",
              "versionType": "semver",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L",
          "baseScore": 5.4,
          "baseSeverity": "MEDIUM",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "availabilityImpact": "LOW"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 2.5
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-07-16T18:48:09.260544Z",
          "id": "CVE-2026-47082",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-863"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://www.cyrusimap.org/3.12/imap/download/release-notes/3.12/x/3.12.3.html",
      "source": "[email protected]"
    },
    {
      "url": "https://www.cyrusimap.org/imap/download/release-notes/index.html",
      "source": "[email protected]"
    }
  ]
}