Bug 2558747 (CVE-2026-114729) - CVE-2026-114729 roundcubemail: roundcubemail: Information disclosure via SVG SMIL remote content blocking bypass
Summary: CVE-2026-114729 roundcubemail: roundcubemail: Information disclosure via SVG ...
Keywords:
Status: NEW
Alias: CVE-2026-114729
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On: 2559094 2559095
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-10-22 02:43 UTC by OSIDB Bzimport
Modified: 2026-10-27 20:16 UTC (History)
0 users

Fixed In Version:
Clone Of:
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Description OSIDB Bzimport 2026-10-22 02:43:26 UTC 
Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 is affected by a remote content blocking bypass. rcube_washtml inspected the SVG SMIL animation attributes `to`, `from` and values for URIs, but not `by`; so markup such as in an HTML message caused remote content to be loaded without the user's consent, disclosing the client IP address and confirming that the message was opened. Upstream fixed this in the commit “Fix remote-content blocker bypass via SVG SMIL `by` attribute”.
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