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CVE-2026-35543

MEDIUM

5.3

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 SVG content (with animate attributes) in an e-mail message. This may lead to information disclosure or access-control bypass.

CVE Details

CVSS v3.1 Score5.3

SeverityMEDIUM

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published4/3/2026

Last Modified4/3/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-669

References

https://github.com/roundcube/roundcubemail/commit/1a63e01542bff42aaa71c00c4c279a09ef31f20c(cve@mitre.org)

https://github.com/roundcube/roundcubemail/commit/39471343ee081ce1d31696c456a2c163462daae3(cve@mitre.org)

https://github.com/roundcube/roundcubemail/commit/82ab5eca7b332fce7a174b2b987f0957a66377cd(cve@mitre.org)

https://github.com/roundcube/roundcubemail/releases/tag/1.5.14(cve@mitre.org)

https://github.com/roundcube/roundcubemail/releases/tag/1.6.14(cve@mitre.org)

https://github.com/roundcube/roundcubemail/releases/tag/1.7-rc5(cve@mitre.org)

https://roundcube.net/news/2026/03/18/security-updates-1.7-rc5-1.6.14-1.5.14(cve@mitre.org)

IOC Correlations

No correlations recorded

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