roundcube/roundcubemail · Security
Roundcube Webmail: Remote image blocking feature can be bypassed via SVG content in an e-mail message
- GHSA ID
- GHSA-w846-74jr-76cv
- CVE ID
- CVE-2026-35545
- Severity
- medium
- Published
- Updated
- CVSS
- 5.3 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- CVSS v3
- 5.3 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
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.
CWEs
- CWE-669 · Incorrect Resource Transfer Between Spheres
References
- 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/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 ↗
- https://github.com/advisories/GHSA-w846-74jr-76cv ↗