CVE-2026-35545

MEDIUM

Roundcube Webmail < 1.5.15 - Information Disclosure

Title source: rule

Description

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.

References (7)

https://roundcube.net/news/2026/03/29/security-updates-1.7-rc6-1.6.15-1.5.15

https://github.com/roundcube/roundcubemail/releases/tag/1.7-rc6

https://github.com/roundcube/roundcubemail/commit/7ad62de184368bf42c0f522d1aacc030f5ddcc46

https://github.com/roundcube/roundcubemail/releases/tag/1.6.15

https://github.com/roundcube/roundcubemail/commit/9d18d524f3cc211003fc99e2e54eed09a2f3da88

https://github.com/roundcube/roundcubemail/releases/tag/1.5.15

https://github.com/roundcube/roundcubemail/commit/fe1320b199d3a2f58351bb699c9ed4316e73221b

View Patch ZIP pw:eip

Scores

CVSS v3 5.3

EPSS 0.0004

EPSS Percentile 13.4%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/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 < 1.5.15

roundcube/webmail < 1.5.15

Roundcube/Webmail 1.6.0 - 1.6.15

Published Apr 03, 2026

Tracked Since Apr 03, 2026