{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "1.6.14"
              },
              {
                "fixed": "1.6.16"
              },
              {
                "introduced": "1.7.0"
              },
              {
                "fixed": "1.7.1"
              }
            ],
            "source": "AFFECTED_FIELD"
          },
          "events": [
            {
              "introduced": "27ec6cc9cb25e1ef8b4d4ef39ce76d619caa6870"
            },
            {
              "fixed": "ea1798a6fbf060abcc0ba73b2435036bf8016a5a"
            },
            {
              "introduced": "df9effa186f81d676962b941da4ebab5e05c3088"
            },
            {
              "fixed": "d40ec266240f2456a52c24ef2848e18bbfb5c300"
            }
          ],
          "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/2026/48xxx/CVE-2026-48843.json"
  },
  "details": "Roundcube Webmail 1.6.x between 1.6.14 and 1.6.16,and 1.7.x before 1.7.1 has 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. The issue stems from an insufficient fix for CVE-2026-35540.",
  "id": "CVE-2026-48843",
  "modified": "2026-07-08T05:36:44.152509612Z",
  "published": "2026-05-25T19:11:04.351Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/roundcube/roundcubemail/releases/tag/1.6.16"
    },
    {
      "type": "WEB",
      "url": "https://github.com/roundcube/roundcubemail/releases/tag/1.7.1"
    },
    {
      "type": "WEB",
      "url": "https://roundcube.net/news/2026/05/24/security-updates-1.6.16-and-1.7.1"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/48xxx/CVE-2026-48843.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-48843"
    },
    {
      "type": "FIX",
      "url": "https://github.com/roundcube/roundcubemail/commit/ab96c88bfd888866ec5e02190b19618db283923a"
    },
    {
      "type": "FIX",
      "url": "https://github.com/roundcube/roundcubemail/commit/cb3fc9041e91640ba9ba49ee7b2147c176ebf5a1"
    }
  ],
  "schema_version": "1.7.5",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}