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.
{
"cna_assigner": "mitre",
"cwe_ids": [
"CWE-918"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/75xxx/CVE-2026-75006.json"
}{
"extracted_events": [
{
"cpe": "cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.6.0"
},
{
"fixed": "1.6.18"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.7.0"
},
{
"fixed": "1.7.3"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "7e10ca0110b7c9aa1b7850b843bb6625e47bbe00"
}
],
"source": "REFERENCES_COMMIT"
},
{
"range": [
{
"fixed": "8a92380b06b5df1481e034c4f40d6a6546c21223"
}
],
"source": "REFERENCES_COMMIT"
},
{
"range": [
{
"fixed": "92f85c883594e5be757154f94548a9ba903455c9"
}
],
"source": "REFERENCES_COMMIT"
},
{
"range": [
{
"fixed": "c111b72950cd2bf57d6b86cd129568d90403322d"
}
],
"source": "REFERENCES_COMMIT"
},
{
"original_tag": "1.6.18",
"range": [
{
"fixed": "4a2bb87d9ea93578acb9bb03599abf754c33a33f"
}
],
"source": "REFERENCES_TAG"
},
{
"original_tag": "1.7.3",
"range": [
{
"fixed": "8473c30fd06f1aa4cfe4304ec54f54aef3b45abe"
}
],
"source": "REFERENCES_TAG"
}
]
}