CVE-2026-35545
MEDIUM5.3EPSS 0.05%Roundcube Webmail: Remote image blocking feature can be bypassed via SVG content in an e-mail message
Published: 4/3/2026Modified: 4/4/2026
Also known as:GHSA-w846-74jr-76cv
Description
An issue was discovered in Roundcube Webmail before 1.5.15 and 1.6.15. The remote image blocking feature can be bypassed via SVG content in an e-mail message. This may lead to information disclosure or access-control bypass. This involves the animate element with attributeName=fill/filter/stroke.
Affected packages (2)
- Debian/roundcubefrom 0, < 1.4.15+dfsg.1-1+deb11u8
- Packagist/roundcube/roundcubemail>= 1.7-beta, < 1.7-rc5
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
References (10)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2026-35545
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2026-35545
- PATCHhttps://github.com/roundcube/roundcubemail
- WEBhttps://github.com/roundcube/roundcubemail/commit/7ad62de184368bf42c0f522d1aacc030f5ddcc46
- WEBhttps://github.com/roundcube/roundcubemail/commit/9d18d524f3cc211003fc99e2e54eed09a2f3da88
- WEBhttps://github.com/roundcube/roundcubemail/commit/fe1320b199d3a2f58351bb699c9ed4316e73221b
- WEBhttps://github.com/roundcube/roundcubemail/releases/tag/1.5.15
- WEBhttps://github.com/roundcube/roundcubemail/releases/tag/1.6.15
- WEBhttps://github.com/roundcube/roundcubemail/releases/tag/1.7-rc6
- WEBhttps://roundcube.net/news/2026/03/29/security-updates-1.7-rc6-1.6.15-1.5.15