CVE-2026-48846
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.
Scoring
- Severity
- MEDIUM
- CVSS base score
- 6.5
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
- EPSS probability
- 0.40%
- CWE
- CWE-669
- Published
- 2026-05-25
- Last modified
- 2026-05-26
Affected products
- Roundcube Webmail
- Roundcube Webmail
Weakness type
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