GitHub Advisoryadvisory · Packagist
GHSA-w846-74jr-76cv Roundcube Webmail: Remote image blocking feature can be bypassed via SVG content in an e-mail message
MEDIUM
Official page ↗
- Aliases
- CVE-2026-35545
- Ecosystem
- Packagist
- Packages
- roundcube/roundcubemail
- Severity
- Moderate
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- Weaknesses
- CWE-669
- Reviewed
- 2026-04-04
Affected packages
• Packagist roundcube/roundcubemail: >= 1.7-beta, < 1.7-rc5 → fixed in 1.7-rc5
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.
Related
Alias · CVE (1)
- CVE-2026-35545 An issue was discovered in Roundcube Webmail before 1.5.15 and 1.6.15. vulnerability
Weakness · CWE (1)
- CWE-669 Incorrect Resource Transfer Between Spheres weakness
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-35545 advisory
- https://github.com/roundcube/roundcubemail/commit/7ad62de184368bf42c0f522d1aacc030f5ddcc46 web
- https://github.com/roundcube/roundcubemail/commit/9d18d524f3cc211003fc99e2e54eed09a2f3da88 web
- https://github.com/roundcube/roundcubemail/commit/fe1320b199d3a2f58351bb699c9ed4316e73221b web
- https://github.com/roundcube/roundcubemail package
- https://github.com/roundcube/roundcubemail/releases/tag/1.5.15 web
- https://github.com/roundcube/roundcubemail/releases/tag/1.6.15 web
- https://github.com/roundcube/roundcubemail/releases/tag/1.7-rc6 web
- https://roundcube.net/news/2026/03/29/security-updates-1.7-rc6-1.6.15-1.5.15 web