{"action":"Upgrade roundcube/roundcubemail to 1.7-rc5 or later.","affected":[{"fixed":"1.7-rc5","introduced":"1.7-beta"}],"component":"roundcube/roundcubemail","cve_ids":["CVE-2026-35542"],"ecosystem":"Packagist","epss":0.00402,"exploited":false,"fixed_versions":["1.7-rc5"],"ghsa_id":"GHSA-5hf6-crg4-fg59","id":"tcs_01M5KEW3PT6CXMJE8TWFNVDXQV","modified_at":"2026-04-04T07:11:22.552794Z","published_at":"2026-04-03T06:31:32Z","references":["https://osv.dev/vulnerability/GHSA-5hf6-crg4-fg59","https://nvd.nist.gov/vuln/detail/CVE-2026-35542","https://github.com/roundcube/roundcubemail/commit/e052328e3dc75f13adc2e314eaa4096ac21084ad","https://github.com/roundcube/roundcubemail/commit/fd0e98178db5c73eaa93d005b561874923f9b0f0","https://github.com/roundcube/roundcubemail/commit/fde14d01adc9f37893cd82b635883e516ed453f8","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"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"GHSA-5hf6-crg4-fg59","url":"https://osv.dev/vulnerability/GHSA-5hf6-crg4-fg59"}],"summary":"Roundcube: Bypass of remote image blocking via crafted BODY background attribute"}