An issue was discovered in Roundcube Webmail before 1.5.15 and 1.6.15. The remote image blocking feature can be bypassed via SVG content in an e-mail message. This may lead to information disclosure or access-control bypass. This involves the animate element with attributeName=fill/filter/stroke.
{
"cwe_ids": [
"CWE-669"
],
"github_reviewed": true,
"github_reviewed_at": "2026-04-04T06:58:03Z",
"nvd_published_at": "2026-04-03T05:16:22Z",
"severity": "MODERATE"
}