CVE-2026-35545
Publication date 6 April 2026
Last updated 6 April 2026
Ubuntu priority
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.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| roundcube | 25.10 questing |
Needs evaluation
|
| 24.04 LTS noble |
Needs evaluation
|
|
| 22.04 LTS jammy |
Needs evaluation
|
|
| 20.04 LTS focal |
Needs evaluation
|
|
| 18.04 LTS bionic |
Needs evaluation
|
|
| 16.04 LTS xenial |
Needs evaluation
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
5.3 · Medium
|
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | Low |
| Availability impact | None |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
References
Other references
- https://www.cve.org/CVERecord?id=CVE-2026-35545
- https://roundcube.net/news/2026/03/29/security-updates-1.7-rc6-1.6.15-1.5.15
- 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