# CVE-2026-75003

## Summary

- **CVE ID:** CVE-2026-75003
- **Severity:** MEDIUM
- **CVSS Score:** 5.8 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N)
- **CWE:** CWE-669
- **Published:** Aug 17, 2026
- **Last Modified:** Aug 18, 2026

## Description

In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, an unclosed url() in a FuncIRI attribute of an SVG image could evade the remote image blocking, which may lead to information disclosure or privilege escalation.

## Affected Products

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

## References

- [CNA](https://roundcube.net/news/2026/08/09/security-updates-1.6.18-and-1.7.3)
- [CNA](https://github.com/roundcube/roundcubemail/releases/tag/1.6.18)
- [CNA](https://github.com/roundcube/roundcubemail/commit/1cebea03474305d9f75a9a33d30880d290b5591b)
- [CNA](https://github.com/roundcube/roundcubemail/releases/tag/1.7.3)
- [CNA](https://github.com/roundcube/roundcubemail/commit/440277c32e6d84f3d116153af1cc8454361a8a56)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.31%
- **EPSS Percentile:** 23.1

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._