CVE-2026-35542
MEDIUM
5,3
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: low
Integrity: none
Availability: none
Description
AI Translation Available
An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. The remote image blocking feature can be bypassed via a crafted background attribute of a BODY element in an e-mail message. This may lead to information disclosure or access-control bypass.
669
Incorrect Resource Transfer Between Spheres
DraftCommon Consequences
Security Scopes Affected:
Confidentiality
Integrity
Potential Impacts:
Read Application Data
Modify Application Data
Unexpected State
Applicable Platforms
All platforms may be affected
https://github.com/roundcube/roundcubemail/commit/e052328e3dc75f13adc2e314eaa40…
https://github.com/roundcube/roundcubemail/commit/fd0e98178db5c73eaa93d005b5618…
https://github.com/roundcube/roundcubemail/commit/fde14d01adc9f37893cd82b635883…
https://github.com/roundcube/roundcubemail/releases/tag/1.5.14
https://github.com/roundcube/roundcubemail/releases/tag/1.6.14
https://github.com/roundcube/roundcubemail/releases/tag/1.7-rc5
https://roundcube.net/news/2026/03/18/security-updates-1.7-rc5-1.6.14-1.5.14