CVE-2026-48846
6.5 MEDIUMIn 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(...
Published: 2026-05-25 · Last updated: 2026-05-26
Severity and scoring
- CVSS
- 6.5 MEDIUM
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
- CWE
- CWE-669
Description
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.
Source: NVD
References
- [NVD]https://nvd.nist.gov/vuln/detail/CVE-2026-48846
- [Other]https://github.com/roundcube/roundcubemail/commit/59cca80908a61e662c5f81741449e9aeb91e8abe
- [Other]https://github.com/roundcube/roundcubemail/commit/852350486b88b35b8544e8a630fad89e99e2150a
- [Other]https://github.com/roundcube/roundcubemail/releases/tag/1.6.16
- [Other]https://github.com/roundcube/roundcubemail/releases/tag/1.7.1
- [Other]https://roundcube.net/news/2026/05/24/security-updates-1.6.16-and-1.7.1
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