{"id":"CVE-2026-48843","state":"PUBLISHED","title":"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 Info","description":"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.","publishedAt":"2026-05-25T19:11:04.351Z","updatedAt":"2026-05-26T12:50:42.557Z","severity":{"score":7.2,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N","source":"mitre"},"assigner":"mitre","products":["Roundcube Webmail"],"affected":[{"vendor":"Roundcube","product":"Webmail","defaultStatus":"unaffected","versions":[{"version":"1.6.14","status":"affected","lessThan":"1.6.16","versionType":"semver"},{"version":"1.7.0","status":"affected","lessThan":"1.7.1","versionType":"semver"}]}],"references":["https://roundcube.net/news/2026/05/24/security-updates-1.6.16-and-1.7.1","https://github.com/roundcube/roundcubemail/releases/tag/1.7.1","https://github.com/roundcube/roundcubemail/commit/ab96c88bfd888866ec5e02190b19618db283923a","https://github.com/roundcube/roundcubemail/releases/tag/1.6.16","https://github.com/roundcube/roundcubemail/commit/cb3fc9041e91640ba9ba49ee7b2147c176ebf5a1"],"weaknesses":["CWE-918"],"ingestedAt":"2026-10-29T20:12:07.131Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/48xxx/CVE-2026-48843.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-48843","state":"PUBLISHED","datePublished":"2026-05-25T19:11:04.351Z","dateUpdated":"2026-05-26T12:50:42.557Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2026-05-25T19:11:03.274Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"Roundcube","product":"Webmail","defaultStatus":"unaffected","versions":[{"version":"1.6.14","status":"affected","lessThan":"1.6.16","versionType":"semver"},{"version":"1.7.0","status":"affected","lessThan":"1.7.1","versionType":"semver"}]}],"references":[{"url":"https://roundcube.net/news/2026/05/24/security-updates-1.6.16-and-1.7.1"},{"url":"https://github.com/roundcube/roundcubemail/releases/tag/1.7.1"},{"url":"https://github.com/roundcube/roundcubemail/commit/ab96c88bfd888866ec5e02190b19618db283923a"},{"url":"https://github.com/roundcube/roundcubemail/releases/tag/1.6.16"},{"url":"https://github.com/roundcube/roundcubemail/commit/cb3fc9041e91640ba9ba49ee7b2147c176ebf5a1"}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.2,"baseSeverity":"HIGH","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-918","description":"CWE-918 Server-Side Request Forgery (SSRF)","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"mitre","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateUpdated":"2026-05-25T19:32:10.818Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:*","versionStartIncluding":"1.6.14","versionEndExcluding":"1.6.16"},{"vulnerable":true,"criteria":"cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:*","versionStartIncluding":"1.7.0","versionEndExcluding":"1.7.1"}]}]}],"x_generator":{"engine":"CVE-Request-form 0.0.1"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-26T12:50:34.552140Z","id":"CVE-2026-48843","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-05-26T12:50:42.557Z"}}]}}}