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CVE-2026-35545

Published: Apr 3, 2026

Modified: Apr 3, 2026

PUBLISHED

CVSS v3.1

5.3

MEDIUM

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.

Vendor	Product	Versions
Roundcube	Webmail	affected `0 - < 1.5.15` affected `1.6.0 - < 1.6.15`

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

References

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

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