CVE-2026-35543

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.

CVSS v3 5.3 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/roundcube/roundcubemail/commit/1a63e01542bff42aaa71c00c4c279a09ef31f20c	Patch
https://github.com/roundcube/roundcubemail/commit/39471343ee081ce1d31696c456a2c163462daae3	Patch
https://github.com/roundcube/roundcubemail/commit/82ab5eca7b332fce7a174b2b987f0957a66377cd	Patch
https://github.com/roundcube/roundcubemail/releases/tag/1.5.14	Release Notes
https://github.com/roundcube/roundcubemail/releases/tag/1.6.14	Release Notes
https://github.com/roundcube/roundcubemail/releases/tag/1.7-rc5	Release Notes
https://roundcube.net/news/2026/03/18/security-updates-1.7-rc5-1.6.14-1.5.14	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:roundcube:webmail::::::::
	cpe:2.3:a:roundcube:webmail::::::::

History

No history.

Information

Published : 2026-04-03 05:16

Updated : 2026-07-24 21:10

NVD link : CVE-2026-35543

Mitre link : CVE-2026-35543

CVE.ORG link : CVE-2026-35543

JSON object : View

Products Affected

roundcube

webmail

CWE

CWE-669

Incorrect Resource Transfer Between Spheres

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