7.2

CVE-2026-74998

Medienbericht
In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, responses from the CSS (Cascading Style Sheets) proxy were not validated, which may result in information disclosure or XSS (cross-site scripting) via MIME sniffing.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Roundcube ≫ Webmail Version >= 1.6.0 < 1.6.18
Roundcube ≫ Webmail Version >= 1.7.0 < 1.7.3
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.27% 0.19
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
MITRE 7.2 3.9 2.7
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

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VulnDex Intel
Media Report
18.08.2026 09:32
https://roundcube.net/news/2026/08/09/security-updates-1.6.18-and-1.7.3
Vendor Advisory
https://github.com/roundcube/roundcubemail/releases/tag/1.6.18
Release Notes
https://github.com/roundcube/roundcubemail/releases/tag/1.7.3
Release Notes
https://github.com/roundcube/roundcubemail/commit/62d33c8a0dc3fd0dd03984220dc9709e8e0de43b
Patch
https://github.com/roundcube/roundcubemail/commit/a2334990c02f7cb77b1a8d6fa97fcd9e1b5cd1fb
Patch