{
  "cveId": "CVE-2026-35539",
  "url": "https://patchblox.com/security/cve/CVE-2026-35539",
  "summary": "CVE-2026-35539 is fixed in roundcube on 1 platform, first by DEBIAN-CVE-2026-35539, released April 3, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "roundcube: An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14",
  "description": "An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. XSS exists because of insufficient HTML attachment sanitization in preview mode. A victim must preview a text/html attachment.",
  "published": "2026-04-03T05:16:21Z",
  "severity": "medium",
  "cvss": 6.1,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
  "epss": 0.00261,
  "epssPercentile": 0.17956,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "roundcube",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "1.6.5\u002Bdfsg-1\u002Bdeb12u8",
      "fix": "DEBIAN-CVE-2026-35539",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-35539",
      "released": "2026-04-03T05:16:21Z"
    },
    {
      "platform": "linux",
      "product": "roundcube",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "1.6.15\u002Bdfsg-0\u002Bdeb13u1",
      "fix": "DEBIAN-CVE-2026-35539",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-35539",
      "released": "2026-04-03T05:16:21Z"
    },
    {
      "platform": "linux",
      "product": "roundcube",
      "release": "Debian 14",
      "fixedVersion": "1.6.14\u002Bdfsg-1",
      "fix": "DEBIAN-CVE-2026-35539",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-35539",
      "released": "2026-04-03T05:16:21Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T06:59:42Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}