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CVE-2026-35542 Detail

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 a crafted background attribute of a BODY element in an e-mail message. This may lead to information disclosure or access-control bypass.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://github.com/roundcube/roundcubemail/commit/e052328e3dc75f13adc2e314eaa4096ac21084ad MITRE
https://github.com/roundcube/roundcubemail/commit/fd0e98178db5c73eaa93d005b561874923f9b0f0 MITRE
https://github.com/roundcube/roundcubemail/commit/fde14d01adc9f37893cd82b635883e516ed453f8 MITRE
https://github.com/roundcube/roundcubemail/releases/tag/1.5.14 MITRE
https://github.com/roundcube/roundcubemail/releases/tag/1.6.14 MITRE
https://github.com/roundcube/roundcubemail/releases/tag/1.7-rc5 MITRE
https://roundcube.net/news/2026/03/18/security-updates-1.7-rc5-1.6.14-1.5.14 MITRE

Weakness Enumeration

CWE-ID CWE Name Source
CWE-669 Incorrect Resource Transfer Between Spheres MITRE  

Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2026-35542
NVD Published Date:
04/03/2026
NVD Last Modified:
04/03/2026
Source:
MITRE