CVE-2026-47084
Full vulnerability record from the local CVENow database.
Description
An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2. The LOCALDELETE command bypassed ACL checks. An authenticated but non-admin user could invoke the admin-only LOCALDELETE IMAP command and delete mailboxes for which they had no permissions.
Severity
MEDIUM
CVSS score
6.5
(v3.1)
Vulnerability status
Deferred
Source identifier
Published
2026-07-16 19:16:48.987000
Last modified
2026-10-24 20:10:00.137000
View original CVE JSON
{
"id": "CVE-2026-47084",
"sourceIdentifier": "[email protected]",
"published": "2026-07-16T19:16:48.987",
"lastModified": "2026-10-24T20:10:00.137",
"vulnStatus": "Deferred",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2. The LOCALDELETE command bypassed ACL checks. An authenticated but non-admin user could invoke the admin-only LOCALDELETE IMAP command and delete mailboxes for which they had no permissions."
},
{
"lang": "es",
"value": "Se descubrió un problema en cyrus-imapd en Cyrus IMAP hasta la versión 3.12.2. El comando LOCALDELETE eludió las comprobaciones de ACL. Un usuario autenticado pero no administrador podría invocar el comando IMAP LOCALDELETE exclusivo para administradores y eliminar buzones para los cuales no tenía permisos."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "cyrusimap",
"product": "Cyrus IMAP",
"defaultStatus": "unaffected",
"versions": [
{
"version": "0",
"lessThan": "3.12.3",
"versionType": "semver",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"availabilityImpact": "NONE"
},
"exploitabilityScore": 2.8,
"impactScore": 3.6
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-07-16T18:53:21.363420Z",
"id": "CVE-2026-47084",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Primary",
"description": [
{
"lang": "en",
"value": "CWE-863"
}
]
}
],
"references": [
{
"url": "https://www.cyrusimap.org/3.12/imap/download/release-notes/3.12/x/3.12.3.html",
"source": "[email protected]"
},
{
"url": "https://www.cyrusimap.org/imap/download/release-notes/index.html",
"source": "[email protected]"
}
]
}