{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "1.6.0"
              },
              {
                "fixed": "1.6.18"
              },
              {
                "introduced": "1.7.0"
              },
              {
                "fixed": "1.7.3"
              }
            ],
            "source": [
              "CPE_RANGE",
              "REFERENCES"
            ]
          },
          "events": [
            {
              "introduced": "bfbd2da4bdcfc8317cbe357d2adb2edba5496722"
            },
            {
              "fixed": "8bfa0121a49061e35be461f4e84a949e1d6d5458"
            },
            {
              "introduced": "df9effa186f81d676962b941da4ebab5e05c3088"
            },
            {
              "fixed": "8473c30fd06f1aa4cfe4304ec54f54aef3b45abe"
            },
            {
              "fixed": "7e10ca0110b7c9aa1b7850b843bb6625e47bbe00"
            },
            {
              "fixed": "8a92380b06b5df1481e034c4f40d6a6546c21223"
            },
            {
              "fixed": "92f85c883594e5be757154f94548a9ba903455c9"
            },
            {
              "fixed": "c111b72950cd2bf57d6b86cd129568d90403322d"
            },
            {
              "fixed": "4a2bb87d9ea93578acb9bb03599abf754c33a33f"
            }
          ],
          "repo": "https://github.com/roundcube/roundcubemail",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "mitre",
    "cwe_ids": [
      "CWE-918"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/75xxx/CVE-2026-75006.json"
  },
  "details": "In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, insufficient Cascading Style Sheets (CSS) sanitization in HTML e-mail messages may lead to SSRF or Information Disclosure, e.g., if stylesheet links point to local network hosts. This issue exists because of insufficient fixes for CVE-2026-35540, CVE-2026-48843 and CVE-2026-62643.",
  "id": "CVE-2026-75006",
  "modified": "2026-09-11T11:30:27.588592075Z",
  "published": "2026-08-17T12:56:47.427Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/roundcube/roundcubemail/releases/tag/1.6.18"
    },
    {
      "type": "WEB",
      "url": "https://github.com/roundcube/roundcubemail/releases/tag/1.7.3"
    },
    {
      "type": "WEB",
      "url": "https://roundcube.net/news/2026/08/09/security-updates-1.6.18-and-1.7.3"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/75xxx/CVE-2026-75006.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-75006"
    },
    {
      "type": "FIX",
      "url": "https://github.com/roundcube/roundcubemail/commit/7e10ca0110b7c9aa1b7850b843bb6625e47bbe00"
    },
    {
      "type": "FIX",
      "url": "https://github.com/roundcube/roundcubemail/commit/8a92380b06b5df1481e034c4f40d6a6546c21223"
    },
    {
      "type": "FIX",
      "url": "https://github.com/roundcube/roundcubemail/commit/92f85c883594e5be757154f94548a9ba903455c9"
    },
    {
      "type": "FIX",
      "url": "https://github.com/roundcube/roundcubemail/commit/c111b72950cd2bf57d6b86cd129568d90403322d"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}