GHSA-w846-74jr-76cv
Roundcube Webmail: Remote image blocking feature can be bypassed via SVG content in an e-mail message
Packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| Packagist | roundcube/roundcubemail | >= 1.7-beta, < 1.7-rc5 | 1.7-rc5 |
Details
As written in the advisory (Markdown source, shown as plain text).
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.
References
External links from the advisory. They lead to third-party sites.
- https://nvd.nist.gov/vuln/detail/CVE-2026-35545
- https://github.com/roundcube/roundcubemail/commit/7ad62de184368bf42c0f522d1aacc030f5ddcc46
- https://github.com/roundcube/roundcubemail/commit/9d18d524f3cc211003fc99e2e54eed09a2f3da88
- https://github.com/roundcube/roundcubemail/commit/fe1320b199d3a2f58351bb699c9ed4316e73221b
- https://github.com/roundcube/roundcubemail
- https://github.com/roundcube/roundcubemail/releases/tag/1.5.15
- https://github.com/roundcube/roundcubemail/releases/tag/1.6.15
- https://github.com/roundcube/roundcubemail/releases/tag/1.7-rc6
- https://roundcube.net/news/2026/03/29/security-updates-1.7-rc6-1.6.15-1.5.15