CVE-2026-35545

HIGH EPSS 24.7%
Published Apr 3, 20262mo ago · Modified Jun 17, 20262w ago
8.2 CVSS 3.1
High
Find Similar
Published Apr 3, 2026 2mo ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
8.2
Exploitability
3.9
Impact
4.2
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity Low
Availability None

Threat Intelligence

EPSS Exploit Probability
24.7% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-669

Affected Products 2

VendorProductVersionRange
roundcubewebmail* <1.5.15
roundcubewebmail*≥1.6.0  –  <1.6.15

References 7

  • github.com https://github.com/roundcube/roundcubemail/commit/7ad62de184368bf42c0f522d1aacc030f5ddcc46
    Patch
  • github.com https://github.com/roundcube/roundcubemail/commit/9d18d524f3cc211003fc99e2e54eed09a2f3da88
    Patch
  • github.com https://github.com/roundcube/roundcubemail/commit/fe1320b199d3a2f58351bb699c9ed4316e73221b
    Patch
  • github.com https://github.com/roundcube/roundcubemail/releases/tag/1.5.15
    Release Notes
  • github.com https://github.com/roundcube/roundcubemail/releases/tag/1.6.15
    Release Notes
  • github.com https://github.com/roundcube/roundcubemail/releases/tag/1.7-rc6
    Release Notes
  • roundcube.net https://roundcube.net/news/2026/03/29/security-updates-1.7-rc6-1.6.15-1.5.15
    Vendor Advisory

Remediation

  • github.com https://github.com/roundcube/roundcubemail/commit/7ad62de184368bf42c0f522d1aacc030f5ddcc46
    Patch
  • github.com https://github.com/roundcube/roundcubemail/commit/9d18d524f3cc211003fc99e2e54eed09a2f3da88
    Patch
  • github.com https://github.com/roundcube/roundcubemail/commit/fe1320b199d3a2f58351bb699c9ed4316e73221b
    Patch