CVE-2026-35543: Roundcube Webmail: Bypass of remote image blocking via SVG content (with animate attributes) in an e-mail message
(updated )
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.
References
- github.com/advisories/GHSA-j2g6-8rvg-7mf6
- github.com/roundcube/roundcubemail
- github.com/roundcube/roundcubemail/commit/1a63e01542bff42aaa71c00c4c279a09ef31f20c
- github.com/roundcube/roundcubemail/commit/39471343ee081ce1d31696c456a2c163462daae3
- github.com/roundcube/roundcubemail/commit/82ab5eca7b332fce7a174b2b987f0957a66377cd
- github.com/roundcube/roundcubemail/releases/tag/1.5.14
- github.com/roundcube/roundcubemail/releases/tag/1.6.14
- github.com/roundcube/roundcubemail/releases/tag/1.7-rc5
- nvd.nist.gov/vuln/detail/CVE-2026-35543
- roundcube.net/news/2026/03/18/security-updates-1.7-rc5-1.6.14-1.5.14
Code Behaviors & Features
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