← back
CVE-2026-48846

CVE-2026-48846

CVSS 6.5 MEDIUMEPSS 0.3%CWE-669
In Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.7.1, the remote image blocking feature can be bypassed via a crafted CSS var() value in an e-mail message, which 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:L/A:N
Affected products
Roundcube · Webmail

Want to know if your infrastructure is exposed to this?

Talk to TrueHacking →
References
https://github.com/roundcube/roundcubemail/commit/59cca80908a61e662c5f81741449e9aeb91e8abehttps://github.com/roundcube/roundcubemail/commit/852350486b88b35b8544e8a630fad89e99e2150ahttps://github.com/roundcube/roundcubemail/releases/tag/1.6.16https://github.com/roundcube/roundcubemail/releases/tag/1.7.1https://roundcube.net/news/2026/05/24/security-updates-1.6.16-and-1.7.1