CVE-2026-48842
HIGH
CVSS 8.1
No EPSS data
Description
Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.7.1 has Pre-authentication SQL injection in the virtuser_query plugin via a preg_replace() backslash escape bypass.
CVSS details
EPSS
This CVE is not currently listed in the EPSS dataset.
Show JSON
{
"cve": {
"id": "CVE-2026-48842",
"cveTags": [],
"metrics": {
"cvssMetricV31": [
{
"type": "Secondary",
"source": "cve@mitre.org",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 8.1,
"attackVector": "NETWORK",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "HIGH",
"availabilityImpact": "HIGH",
"privilegesRequired": "NONE",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.9,
"exploitabilityScore": 2.2
}
]
},
"published": "2026-05-25T20:16:36.630",
"references": [
{
"url": "https://github.com/roundcube/roundcubemail/commit/3406183a9976e36f992d3468f37d0e2346526ee9",
"source": "cve@mitre.org"
},
{
"url": "https://github.com/roundcube/roundcubemail/commit/87124cc7136a48b5fa9d2b40dfead6e9dcaeaf4b",
"source": "cve@mitre.org"
},
{
"url": "https://github.com/roundcube/roundcubemail/releases/tag/1.6.16",
"source": "cve@mitre.org"
},
{
"url": "https://github.com/roundcube/roundcubemail/releases/tag/1.7.1",
"source": "cve@mitre.org"
},
{
"url": "https://roundcube.net/news/2026/05/24/security-updates-1.6.16-and-1.7.1",
"source": "cve@mitre.org"
}
],
"vulnStatus": "Deferred",
"weaknesses": [
{
"type": "Primary",
"source": "cve@mitre.org",
"description": [
{
"lang": "en",
"value": "CWE-89"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Roundcube Webmail 1.6.x before 1.6.16 and 1.7.x before 1.7.1 has Pre-authentication SQL injection in the virtuser_query plugin via a preg_replace() backslash escape bypass."
}
],
"lastModified": "2026-05-26T19:26:42.643",
"sourceIdentifier": "cve@mitre.org"
}
}