CVE-2026-75003
CVSS Score
5.8
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-669 |
| Vendor | roundcube |
| Product | webmail |
| Published | Aug 17, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
Low
Integrity
None
Availability
None
Affected Versions
Roundcube / Webmail
1.6.0 < 1.6.18 1.7.0 < 1.7.3
References
roundcube.net: https://roundcube.net/news/2026/08/09/security-updates-1.6.18-and-1.7.3 github.com: https://github.com/roundcube/roundcubemail/releases/tag/1.6.18 github.com: https://github.com/roundcube/roundcubemail/commit/1cebea03474305d9f75a9a33d30880d290b5591b github.com: https://github.com/roundcube/roundcubemail/releases/tag/1.7.3 github.com: https://github.com/roundcube/roundcubemail/commit/440277c32e6d84f3d116153af1cc8454361a8a56