CVE-2026-48846
6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Roundcube | Webmail | 1.6.0 < 1.6.16 | affected |
| Roundcube | Webmail | 1.7.0 < 1.7.1 | affected |
Weaknesses
- CWE-669: CWE-669 Incorrect Resource Transfer Between Spheres
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: yes
- Technical Impact: partial
References
- https://roundcube.net/news/2026/05/24/security-updates-1.6.16-and-1.7.1
- https://github.com/roundcube/roundcubemail/releases/tag/1.7.1
- https://github.com/roundcube/roundcubemail/commit/59cca80908a61e662c5f81741449e9aeb91e8abe
- https://github.com/roundcube/roundcubemail/releases/tag/1.6.16
- https://github.com/roundcube/roundcubemail/commit/852350486b88b35b8544e8a630fad89e99e2150a
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