CVE-2026-35543

MEDIUM EPSS 32.1%
Published Apr 3, 20262mo ago · Modified Jun 17, 20261w ago
5.3 CVSS 3.1
Medium
Find Similar
Published Apr 3, 2026 2mo ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
5.3
Exploitability
3.9
Impact
1.4
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Low
Integrity None
Availability None

Threat Intelligence

EPSS Exploit Probability
32.1% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-669

Affected Products 2

VendorProductVersionRange
roundcubewebmail* <1.5.14
roundcubewebmail*≥1.6.0  –  <1.6.14

References 7

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

Remediation

  • github.com https://github.com/roundcube/roundcubemail/commit/1a63e01542bff42aaa71c00c4c279a09ef31f20c
    Patch
  • github.com https://github.com/roundcube/roundcubemail/commit/39471343ee081ce1d31696c456a2c163462daae3
    Patch
  • github.com https://github.com/roundcube/roundcubemail/commit/82ab5eca7b332fce7a174b2b987f0957a66377cd
    Patch