CVE-2026-75000

State: Published
Severity: 5.8 Medium
Published: Aug 17, 2026
Updated: Aug 18, 2026
Reserved: Aug 17, 2026

Description

In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, improper HTML/CSS sanitization of the SVG animate "by" attribute may lead to remote image blocking bypass, which in turn may lead to information disclosure or privilege escalation.

Scores

CVSS	Score	Vector	Source
3.1	5.8 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N	mitre

Weaknesses

CWE-669 Incorrect Resource Transfer Between Spheres

Affected Products

Product	Versions
WebmailRoundcube	1.6.0 to before 1.6.18Affected 1.7.0 to before 1.7.3Affected

References

https://roundcube.net/news/2026/08/09/security-updates-1.6.18-and-1.7.3
https://github.com/roundcube/roundcubemail/releases/tag/1.6.18
https://github.com/roundcube/roundcubemail/releases/tag/1.7.3

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