{"id":"CVE-2026-75006","details":"In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, 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. This issue exists because of insufficient fixes for CVE-2026-35540, CVE-2026-48843 and CVE-2026-62643.","modified":"2026-11-01T17:27:20.789635339Z","published":"2026-08-17T12:56:47.427Z","related":["openSUSE-SU-2026:12169-1","openSUSE-SU-2026:22195-1"],"database_specific":{"cwe_ids":["CWE-918"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/75xxx/CVE-2026-75006.json","cna_assigner":"mitre"},"references":[{"type":"WEB","url":"https://github.com/roundcube/roundcubemail/releases/tag/1.6.18"},{"type":"WEB","url":"https://github.com/roundcube/roundcubemail/releases/tag/1.7.3"},{"type":"WEB","url":"https://roundcube.net/news/2026/08/09/security-updates-1.6.18-and-1.7.3"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/75xxx/CVE-2026-75006.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-75006"},{"type":"FIX","url":"https://github.com/roundcube/roundcubemail/commit/7e10ca0110b7c9aa1b7850b843bb6625e47bbe00"},{"type":"FIX","url":"https://github.com/roundcube/roundcubemail/commit/8a92380b06b5df1481e034c4f40d6a6546c21223"},{"type":"FIX","url":"https://github.com/roundcube/roundcubemail/commit/92f85c883594e5be757154f94548a9ba903455c9"},{"type":"FIX","url":"https://github.com/roundcube/roundcubemail/commit/c111b72950cd2bf57d6b86cd129568d90403322d"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/roundcube/roundcubemail","events":[{"introduced":"993b888afe29c383bf45c84f17090f4db96367ba"},{"fixed":"4a2bb87d9ea93578acb9bb03599abf754c33a33f"},{"introduced":"df9effa186f81d676962b941da4ebab5e05c3088"},{"fixed":"8473c30fd06f1aa4cfe4304ec54f54aef3b45abe"},{"fixed":"7e10ca0110b7c9aa1b7850b843bb6625e47bbe00"},{"fixed":"8a92380b06b5df1481e034c4f40d6a6546c21223"},{"fixed":"92f85c883594e5be757154f94548a9ba903455c9"},{"fixed":"c111b72950cd2bf57d6b86cd129568d90403322d"}],"database_specific":{"extracted_events":[{"source":"CPE_RANGE","cpe":"cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:*","range":[{"introduced":"1.6.0"},{"fixed":"1.6.18"}]},{"range":[{"introduced":"1.7.0"},{"fixed":"1.7.3"}],"source":"CPE_RANGE","cpe":"cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:*"},{"range":[{"fixed":"7e10ca0110b7c9aa1b7850b843bb6625e47bbe00"}],"source":"REFERENCES_COMMIT"},{"source":"REFERENCES_COMMIT","range":[{"fixed":"8a92380b06b5df1481e034c4f40d6a6546c21223"}]},{"range":[{"fixed":"92f85c883594e5be757154f94548a9ba903455c9"}],"source":"REFERENCES_COMMIT"},{"source":"REFERENCES_COMMIT","range":[{"fixed":"c111b72950cd2bf57d6b86cd129568d90403322d"}]},{"range":[{"fixed":"4a2bb87d9ea93578acb9bb03599abf754c33a33f"}],"source":"REFERENCES_TAG","original_tag":"1.6.18"},{"source":"REFERENCES_TAG","original_tag":"1.7.3","range":[{"fixed":"8473c30fd06f1aa4cfe4304ec54f54aef3b45abe"}]}]}}],"versions":["1.6.17","1.7.2","1.6.16","1.7.1","1.7.0","1.6.15","1.6.14","1.6.13","1.6.12","1.6.11","1.6.10","1.6.9","1.6.8","1.6.7","1.6.6","1.6.5","1.6.4","1.6.3","1.6.2","1.6.1","1.6.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-75006.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N"}]}