CVE-2026-35543

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. 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.

5.3 /10

CVSS v3 : MEDIUM

V3 Legend

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

24 Jul 2026, 21:10

Type Values Removed Values Added
Summary
  • (es) Se descubrió un problema en Roundcube Webmail antes de las versiones 1.5.14 y 1.6.14. La función de bloqueo de imágenes remotas puede ser eludida a través de contenido SVG (con atributos animate) en un mensaje de correo electrónico. Esto puede conducir a la revelación de información o a la elusión del control de acceso.

07 Apr 2026, 20:40

Type Values Removed Values Added
References () https://github.com/roundcube/roundcubemail/commit/1a63e01542bff42aaa71c00c4c279a09ef31f20c - () https://github.com/roundcube/roundcubemail/commit/1a63e01542bff42aaa71c00c4c279a09ef31f20c - Patch
References () https://github.com/roundcube/roundcubemail/commit/39471343ee081ce1d31696c456a2c163462daae3 - () https://github.com/roundcube/roundcubemail/commit/39471343ee081ce1d31696c456a2c163462daae3 - Patch
References () https://github.com/roundcube/roundcubemail/commit/82ab5eca7b332fce7a174b2b987f0957a66377cd - () https://github.com/roundcube/roundcubemail/commit/82ab5eca7b332fce7a174b2b987f0957a66377cd - Patch
References () https://github.com/roundcube/roundcubemail/releases/tag/1.5.14 - () https://github.com/roundcube/roundcubemail/releases/tag/1.5.14 - Release Notes
References () https://github.com/roundcube/roundcubemail/releases/tag/1.6.14 - () https://github.com/roundcube/roundcubemail/releases/tag/1.6.14 - Release Notes
References () https://github.com/roundcube/roundcubemail/releases/tag/1.7-rc5 - () https://github.com/roundcube/roundcubemail/releases/tag/1.7-rc5 - Release Notes
References () https://roundcube.net/news/2026/03/18/security-updates-1.7-rc5-1.6.14-1.5.14 - () https://roundcube.net/news/2026/03/18/security-updates-1.7-rc5-1.6.14-1.5.14 - Vendor Advisory
CPE cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:*
First Time Roundcube
Roundcube webmail

03 Apr 2026, 05:16

Type Values Removed Values Added
New CVE
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