Security Advisory

CVE-2026-74998

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-08-17 12:40:29

Last updated 2026-08-17 16:01:16

Assigner mitre

CVSS score not scored

State PUBLISHED

Description

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.

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