# CVE-2026-48846

## Summary

- **CVE ID:** CVE-2026-48846
- **Severity:** MEDIUM
- **CVSS Score:** 6.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N)
- **CWE:** CWE-669
- **Published:** May 25, 2026
- **Last Modified:** May 26, 2026

## 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.

## Affected Products

- Roundcube — Webmail (1.6.0)
- Roundcube — Webmail (1.7.0)

## References

- [CNA](https://roundcube.net/news/2026/05/24/security-updates-1.6.16-and-1.7.1)
- [CNA](https://github.com/roundcube/roundcubemail/releases/tag/1.7.1)
- [CNA](https://github.com/roundcube/roundcubemail/commit/59cca80908a61e662c5f81741449e9aeb91e8abe)
- [CNA](https://github.com/roundcube/roundcubemail/releases/tag/1.6.16)
- [CNA](https://github.com/roundcube/roundcubemail/commit/852350486b88b35b8544e8a630fad89e99e2150a)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.40%
- **EPSS Percentile:** 34.0

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._