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CVE-2026-35544

🗓️ 03 Apr 2026 03:59:49Reported by mitreType 
cve
 cve
🔗 web.nvd.nist.gov👁 10 Views

Roundcube CSS sanitization flaw in HTML emails allows fixed-position bypass via !important before versions 1.5.14 and 1.6.14.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-35544
3 Apr 202603:59
attackerkb
CNNVD
Roundcube Webmail 安全漏洞
3 Apr 202600:00
cnnvd
Cvelist
CVE-2026-35544
3 Apr 202603:59
cvelist
Debian
[SECURITY] [DSA 6196-1] roundcube security update
4 Apr 202619:53
debian
Debian CVE
CVE-2026-35544
3 Apr 202603:59
debiancve
Tenable Nessus
Debian dsa-6196 : roundcube - security update
5 Apr 202600:00
nessus
Tenable Nessus
Fedora 42 : roundcubemail (2026-051825ca18)
9 Apr 202600:00
nessus
Tenable Nessus
Fedora 44 : roundcubemail (2026-6d293b6889)
28 Apr 202600:00
nessus
Tenable Nessus
Fedora 43 : roundcubemail (2026-8ba1a085a9)
9 Apr 202600:00
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-35544
5 Apr 202600:00
nessus
Rows per page
NVD
Vulners
Node
roundcubewebmailRange1.5.13
OR
roundcubewebmailRange1.6.01.6.13
[
  {
    "defaultStatus": "unaffected",
    "product": "Webmail",
    "vendor": "Roundcube",
    "versions": [
      {
        "lessThan": "1.5.14",
        "status": "affected",
        "version": "0",
        "versionType": "semver"
      },
      {
        "lessThan": "1.6.14",
        "status": "affected",
        "version": "1.6.0",
        "versionType": "semver"
      }
    ]
  }
]

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09 Apr 2026 01:09Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.15.3
EPSS0.00366
SSVC
10