CVE-2026-35543mediumCWE-669

CVE-2026-35543: medium-severity vulnerability in Roundcube Webmail

Published

13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 5.3epss 0.5%
exploitation probability
0.5%top 57% of all CVEs
observed exploitation
nono source reports it
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Affected products
Roundcube · Webmail
Related CVEs — Roundcube Webmail

In the same product, most dangerous first.

CVE-2025-49113CRITICALCVE-2025-49113EPSS 99.0%KEVCVE-2025-68461HIGHCVE-2025-68461EPSS 26.8%KEVCVE-2026-75002HIGHCVE-2026-75002EPSS 2.3%CVE-2026-74997HIGHCVE-2026-74997EPSS 1.1%CVE-2026-48842HIGHCVE-2026-48842EPSS 0.9%CVE-2026-35537LOWCVE-2026-35537EPSS 0.6%
References
https://github.com/roundcube/roundcubemail/commit/1a63e01542bff42aaa71c00c4c279a09ef31f20chttps://github.com/roundcube/roundcubemail/commit/39471343ee081ce1d31696c456a2c163462daae3https://github.com/roundcube/roundcubemail/commit/82ab5eca7b332fce7a174b2b987f0957a66377cdhttps://github.com/roundcube/roundcubemail/releases/tag/1.5.14https://github.com/roundcube/roundcubemail/releases/tag/1.6.14https://github.com/roundcube/roundcubemail/releases/tag/1.7-rc5https://roundcube.net/news/2026/03/18/security-updates-1.7-rc5-1.6.14-1.5.14