GHSA-j2g6-8rvg-7mf6medium5.3
Roundcube Webmail: Bypass of remote image blocking via SVG content (with animate attributes) in an e-mail message
Impact
An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. The remote image blocking feature can be bypassed via SVG content (with animate attributes) in an e-mail message. This may lead to information disclosure or access-control bypass.
Source excerpt · OSVAffected packages
Start with the recorded fix for your release branch. Check your installed version and test compatibility before upgrading. Fixing this advisory does not rule out other vulnerabilities in the release.
roundcube/roundcubemail Packagist
| Affected range | Recorded fix |
|---|---|
| From 1.7-beta before 1.7-rc5Ecosystem versions | 1.7-rc5 |
Version evidence: OSV · GHSA-j2g6-8rvg-7mf6
View original version evidence (6 explicit versions)
Original source description
An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. The remote image blocking feature can be bypassed via SVG content (with animate attributes) in an e-mail message. This may lead to information disclosure or access-control bypass.
References
- Security advisory nvd.nist.gov/vuln/detail/CVE-2026-35543
- Patch github.com/roundcube/roundcubemail/commit/1a63e01542bff42aaa71c00c4c279a09ef31f20c
- Patch github.com/roundcube/roundcubemail/commit/39471343ee081ce1d31696c456a2c163462daae3
- Patch github.com/roundcube/roundcubemail/commit/82ab5eca7b332fce7a174b2b987f0957a66377cd
- Source reference github.com/roundcube/roundcubemail
- Release notes github.com/roundcube/roundcubemail/releases/tag/1.5.14
- Release notes github.com/roundcube/roundcubemail/releases/tag/1.6.14
- Release notes github.com/roundcube/roundcubemail/releases/tag/1.7-rc5
- Security advisory roundcube.net/news/2026/03/18/security-updates-1.7-rc5-1.6.14-1.5.14