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.
No analysis available yet.
Remediation
No remediation available yet.
Tracking
Sign in to view the affected projects.
Advisories
No advisories yet.
References
History
Mon, 17 Aug 2026 13:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| First Time appeared |
Roundcube
Roundcube webmail |
|
| Weaknesses | CWE-79 | |
| CPEs | cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Roundcube
Roundcube webmail |
|
| References |
|
|
| Metrics |
cvssV3_1
|
Status: PUBLISHED
Assigner: mitre
Published:
Updated: 2026-08-17T12:40:29.903Z
Reserved: 2026-08-17T12:40:29.556Z
Link: CVE-2026-74998
No data.
Status : Received
Published: 2026-08-17T13:16:54.270
Modified: 2026-08-17T13:16:54.270
Link: CVE-2026-74998
No data.
OpenCVE Enrichment
No data.
Weaknesses
-
CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')