CVE-2026-35543 Details
Description
An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. The remote image blocking feature can be bypassed via SVG content (with animate attributes) in an e-mail message. This may lead to information disclosure or access-control bypass.
A vulnerability exists in Roundcube Webmail versions prior to 1.5.14 and 1.6.14, as well as in the 1.7 release candidate versions prior to 1.7-rc6. The issue allows for the bypass of the remote image blocking feature by exploiting SVG content that includes animate attributes, potentially leading to information disclosure or an access-control bypass.
Users can update to Roundcube Webmail versions 1.5.14, 1.6.14, or 1.7-rc6, all of which include the necessary fix. Instructions for updating are available on the Roundcube website.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Apr 3, 2026References to Advisories, Solutions, and Tools
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Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-669 | Incorrect Resource Transfer Between Spheres | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| roundcube webmail | < 1.5.14 >= 1.6.0, < 1.6.14 |
CPE
Remediation
| |
Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 24, 2026 | CVE Translated | [email protected] |
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Apr 7, 2026 | Initial Analysis | [email protected] |
| Apr 3, 2026 | New CVE Received | [email protected] |