{"id":"GHSA-5hf6-crg4-fg59","summary":"Roundcube: Bypass of remote image blocking via crafted BODY background attribute","details":"An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. The remote image blocking feature can be bypassed via a crafted background attribute of a BODY element in an e-mail message. This may lead to information disclosure or access-control bypass.","aliases":["CVE-2026-35542"],"modified":"2026-04-04T07:11:22.552794Z","published":"2026-04-03T06:31:32Z","database_specific":{"cwe_ids":["CWE-669"],"severity":"MODERATE","github_reviewed":true,"github_reviewed_at":"2026-04-04T06:55:40Z","nvd_published_at":"2026-04-03T05:16:22Z"},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-35542"},{"type":"WEB","url":"https://github.com/roundcube/roundcubemail/commit/e052328e3dc75f13adc2e314eaa4096ac21084ad"},{"type":"WEB","url":"https://github.com/roundcube/roundcubemail/commit/fd0e98178db5c73eaa93d005b561874923f9b0f0"},{"type":"WEB","url":"https://github.com/roundcube/roundcubemail/commit/fde14d01adc9f37893cd82b635883e516ed453f8"},{"type":"PACKAGE","url":"https://github.com/roundcube/roundcubemail"},{"type":"WEB","url":"https://github.com/roundcube/roundcubemail/releases/tag/1.5.14"},{"type":"WEB","url":"https://github.com/roundcube/roundcubemail/releases/tag/1.6.14"},{"type":"WEB","url":"https://github.com/roundcube/roundcubemail/releases/tag/1.7-rc5"},{"type":"WEB","url":"https://roundcube.net/news/2026/03/18/security-updates-1.7-rc5-1.6.14-1.5.14"}],"affected":[{"package":{"name":"roundcube/roundcubemail","ecosystem":"Packagist","purl":"pkg:composer/roundcube/roundcubemail"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.7-beta"},{"fixed":"1.7-rc5"}]}],"versions":["1.7-beta","1.7-beta2","1.7-rc","1.7-rc2","1.7-rc3","1.7-rc4"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-5hf6-crg4-fg59/GHSA-5hf6-crg4-fg59.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"}]}