CVE-2026-35543

MEDIUM

Roundcube Webmail < 1.5.14, 1.6.0-1.6.14, 1.7-beta-1.7-rc5 - Information Disclosure via SVG Animate Attribute Bypass

Title source: llm

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 SVG content (with animate attributes) in an e-mail message. This may lead to information disclosure or access-control bypass.

References (7)

Core 7

Core References

https://roundcube.net/news/2026/03/18/security-updates-1.7-rc5-1.6.14-1.5.14

https://github.com/roundcube/roundcubemail/releases/tag/1.7-rc5

https://github.com/roundcube/roundcubemail/commit/82ab5eca7b332fce7a174b2b987f0957a66377cd

View Patch ZIP pw:eip

https://github.com/roundcube/roundcubemail/releases/tag/1.6.14

https://github.com/roundcube/roundcubemail/commit/39471343ee081ce1d31696c456a2c163462daae3

View Patch ZIP pw:eip

https://github.com/roundcube/roundcubemail/releases/tag/1.5.14

https://github.com/roundcube/roundcubemail/commit/1a63e01542bff42aaa71c00c4c279a09ef31f20c

View Patch ZIP pw:eip

Scores

CVSS v3 5.3

EPSS 0.0040

EPSS Percentile 31.7%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact partial

Details

CWE

CWE-669

Status published

Products (4)

roundcube/roundcubemail 1.7-beta - 1.7-rc5Packagist

Roundcube/Webmail < 1.5.14

roundcube/webmail < 1.5.14

Roundcube/Webmail 1.6.0 - 1.6.14

Published Apr 03, 2026

Tracked Since Apr 03, 2026