{"id":"CVE-2026-48843","details":"Roundcube Webmail 1.6.x between 1.6.14 and 1.6.16,and 1.7.x before 1.7.1 has Insufficient Cascading Style Sheets (CSS) sanitization in HTML e-mail messages may lead to SSRF or Information Disclosure, e.g., if stylesheet links point to local network hosts. The issue stems from an insufficient fix for CVE-2026-35540.","modified":"2026-09-11T11:46:42.998461488Z","published":"2026-05-25T19:11:04.351Z","related":["openSUSE-SU-2026:10869-1","openSUSE-SU-2026:20852-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/48xxx/CVE-2026-48843.json","cna_assigner":"mitre","cwe_ids":["CWE-918"]},"references":[{"type":"WEB","url":"https://github.com/roundcube/roundcubemail/releases/tag/1.6.16"},{"type":"WEB","url":"https://github.com/roundcube/roundcubemail/releases/tag/1.7.1"},{"type":"WEB","url":"https://roundcube.net/news/2026/05/24/security-updates-1.6.16-and-1.7.1"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/48xxx/CVE-2026-48843.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-48843"},{"type":"FIX","url":"https://github.com/roundcube/roundcubemail/commit/ab96c88bfd888866ec5e02190b19618db283923a"},{"type":"FIX","url":"https://github.com/roundcube/roundcubemail/commit/cb3fc9041e91640ba9ba49ee7b2147c176ebf5a1"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/roundcube/roundcubemail","events":[{"introduced":"27ec6cc9cb25e1ef8b4d4ef39ce76d619caa6870"},{"fixed":"19dd079eb36ca78c8b1654aad154de395b490d3e"},{"introduced":"df9effa186f81d676962b941da4ebab5e05c3088"},{"fixed":"82ea2711e57e5555293d3b33c143f4c6ff54bf22"}],"database_specific":{"extracted_events":[{"introduced":"1.6.14"},{"fixed":"1.6.16"},{"introduced":"1.7.0"},{"fixed":"1.7.1"}],"source":"AFFECTED_FIELD"}}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-48843.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N"}]}