CVE-2026-35542 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 a crafted background attribute of a BODY element 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, allowing the remote image blocking feature to be bypassed. This is achieved by exploiting a crafted background attribute in the BODY element of an email message. The bypassed image blocking can lead to information disclosure or access control issues.
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
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
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] |