CVE-2026-114729

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-114729
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-22 03:16:38 UTC
Updated2026-10-22 03:16:38 UTC
DescriptionRoundcube 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”.

Risk And Classification

Primary CVSS: v3.1 5.3 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Problem Types: CWE-184 | CWE-184 CWE-184 Incomplete List of Disallowed Inputs

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary5.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
3.1CNACVSS5.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Roundcube Webmail affected 1.6.0 1.6.20 semver Not specified
CNA Roundcube Webmail affected 1.7.0 1.7.5 semver Not specified

References

ReferenceSourceLinkTags
github.com/roundcube/roundcubemail/commit/96d993b4ac57166a094b5774f4761e... [email protected] github.com
github.com/roundcube/roundcubemail/commit/2b6ff79d8b14f94b0ff04765b7f02d... [email protected] github.com
roundcube.net/news/2026/10/19/security-updates-1.6.20-and-1.7.5 [email protected] roundcube.net
bugs.debian.org/1151279 [email protected] bugs.debian.org
github.com/roundcube/roundcubemail/releases/tag/1.7.5 [email protected] github.com
github.com/roundcube/roundcubemail/releases/tag/1.6.20 [email protected] github.com
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