{"id":"GHSA-j2g6-8rvg-7mf6","aliases":["CVE-2026-35543"],"title":"Roundcube Webmail: Bypass of remote image blocking via SVG content (with animate attributes) in an e-mail message","titleSource":"OSV","descriptionSource":"OSV","declaredSeverity":"MODERATE","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bypass.","severity":"medium","score":5.3,"published":"2026-04-03T06:31:32.000Z","modified":"2026-04-04T07:11:22.411Z","withdrawn":false,"knownExploited":false,"affected":[{"ecosystem":"Packagist","name":"roundcube/roundcubemail","sources":[{"name":"OSV · GHSA-j2g6-8rvg-7mf6","url":"https://osv.dev/vulnerability/GHSA-j2g6-8rvg-7mf6"}],"ranges":[{"events":[{"introduced":"1.7-beta"},{"fixed":"1.7-rc5"}],"type":"ECOSYSTEM"}],"versions":["1.7-beta","1.7-beta2","1.7-rc","1.7-rc2","1.7-rc3","1.7-rc4"],"fixed":["1.7-rc5"]}],"sourceAffected":[],"references":["https://nvd.nist.gov/vuln/detail/CVE-2026-35543","https://github.com/roundcube/roundcubemail/commit/1a63e01542bff42aaa71c00c4c279a09ef31f20c","https://github.com/roundcube/roundcubemail/commit/39471343ee081ce1d31696c456a2c163462daae3","https://github.com/roundcube/roundcubemail/commit/82ab5eca7b332fce7a174b2b987f0957a66377cd","https://github.com/roundcube/roundcubemail","https://github.com/roundcube/roundcubemail/releases/tag/1.5.14","https://github.com/roundcube/roundcubemail/releases/tag/1.6.14","https://github.com/roundcube/roundcubemail/releases/tag/1.7-rc5","https://roundcube.net/news/2026/03/18/security-updates-1.7-rc5-1.6.14-1.5.14"],"sources":[{"name":"OSV","id":"GHSA-j2g6-8rvg-7mf6","modified":"2026-04-04T07:11:22.411132Z","url":"https://osv.dev/vulnerability/GHSA-j2g6-8rvg-7mf6"}],"assessments":[{"source":"OSV","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","score":5.3}],"products":[],"remediation":[],"kev":{"status":"not-listed","checkedAt":"2026-10-29T01:35:32.302Z"},"coverage":[{"source":"NVD","status":"not-checked"},{"source":"GHSA","status":"not-checked"},{"source":"EUVD","status":"not-checked"},{"source":"EPSS","status":"not-checked"}],"evidence":[]}