In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, 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. NOTE: this issue exists because of insufficient fixes for CVE-2026-35540 and CVE-2026-48843.
{
"cna_assigner": "mitre",
"cwe_ids": [
"CWE-918"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/62xxx/CVE-2026-62643.json"
}{
"extracted_events": [
{
"cpe": "cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.6.0"
},
{
"fixed": "1.6.17"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.7.0"
},
{
"fixed": "1.7.2"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "294c7da6e7284166f040cef8607b677d459e0786"
}
],
"source": "REFERENCES_COMMIT"
},
{
"range": [
{
"fixed": "6d69e094d55d3a9a84dfb36edf6ca985311f0c1c"
}
],
"source": "REFERENCES_COMMIT"
},
{
"original_tag": "1.6.17",
"range": [
{
"fixed": "5cdc6a48b40beabff7f0bf5d9035f4491e877e4c"
}
],
"source": "REFERENCES_TAG"
},
{
"original_tag": "1.7.2",
"range": [
{
"fixed": "a08bc8f59bbd28cd3d863479478127e35beb959d"
}
],
"source": "REFERENCES_TAG"
}
]
}