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CVE Vulnerability Details :

CVE-2026-35542

PUBLISHED

More Info Official Page

Assigner-mitre

Assigner Org ID-8254265b-2729-46b6-b9e3-3dfca2d5bfca

Published At-03 Apr, 2026 | 03:54

Updated At-03 Apr, 2026 | 12:51

▼CVE Numbering Authority (CNA)

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.

Affected Products

Vendor

Roundcube Webmail Project

Product

Webmail

Default Status

unaffected

Versions

Affected

From 0 before 1.5.14 (semver)
From 1.6.0 before 1.6.14 (semver)

Problem Types

Type	CWE ID	Description
CWE	CWE-669	CWE-669 Incorrect Resource Transfer Between Spheres

Type: CWE

CWE ID: CWE-669

Description: CWE-669 Incorrect Resource Transfer Between Spheres

Metrics

Version	Base score	Base severity	Vector
3.1	5.3	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Version: 3.1

Base score: 5.3

Base severity: MEDIUM

Vector:

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

References

Hyperlink	Resource
https://roundcube.net/news/2026/03/18/security-updates-1.7-rc5-1.6.14-1.5.14	N/A
https://github.com/roundcube/roundcubemail/releases/tag/1.7-rc5	N/A
https://github.com/roundcube/roundcubemail/commit/fd0e98178db5c73eaa93d005b561874923f9b0f0	N/A
https://github.com/roundcube/roundcubemail/releases/tag/1.6.14	N/A
https://github.com/roundcube/roundcubemail/commit/fde14d01adc9f37893cd82b635883e516ed453f8	N/A
https://github.com/roundcube/roundcubemail/releases/tag/1.5.14	N/A
https://github.com/roundcube/roundcubemail/commit/e052328e3dc75f13adc2e314eaa4096ac21084ad	N/A