Bug 2454723 (CVE-2026-35542) - CVE-2026-35542 roundcubemail: Roundcube Webmail: Information disclosure or access-control bypass via crafted email background attribute
Summary: CVE-2026-35542 roundcubemail: Roundcube Webmail: Information disclosure or ac...
Keywords:
Status: NEW
Alias: CVE-2026-35542
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On: 2454792 2454793
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-04-03 05:02 UTC by OSIDB Bzimport
Modified: 2026-04-03 15:16 UTC (History)
0 users

Fixed In Version:
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Description OSIDB Bzimport 2026-04-03 05:02:07 UTC 
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.
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