MediumFix available
cyrus-imapd — security advisory
An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2. LISTRIGHTS os not limited to users with admin access. An authenticated user could call IMAP LISTRIGHTS against any mailbox they could name and learn what principals had what access to it. (This action should have been restricted to users with admin access on the target mailbox.)
- Products
- cyrus-imapd
- Affected versions
- 3.10.2-1, 3.10.2-1+deb13u1, 3.12.0-1, 3.12.0-2, 3.12.1-1, 3.12.1-2, 3.12.1-3, 3.12.2-1, 3.12.3-1~bpo13+1, 3.6.1-4, 3.6.1-4+deb12u1, 3.6.1-4+deb12u2, 3.6.1-4+deb12u3, 3.6.1-4+deb12u4
- Fixed versions
- 3.10.2-1+deb13u2, 3.12.3-1, 3.6.1-4+deb12u5
- CVEs
- CVE-2026-47089
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 09:53 UTC · Revision 2
Source evidence
An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2. LISTRIGHTS os not limited to users with admin access. An authenticated user could call IMAP LISTRIGHTS against any mailbox they could name and learn what principals had what access to it. (This action should have been restricted to users with admin access on the target mailbox.)
osv:DEBIAN-CVE-2026-47089
cyrus-imapd
Fixed versions: 3.6.1-4+deb12u5
cyrus-imapd
Fixed versions: 3.10.2-1+deb13u2
cyrus-imapd
Fixed versions: 3.12.3-1
Complete source record
{
"id": "e17f5ec5d087eb95885050a24a78710cfca82de865208efa80eb764699109c6d",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2026-47089",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2026-47089",
"summary": "An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2. LISTRIGHTS os not limited to users with admin access. An authenticated user could call IMAP LISTRIGHTS against any mailbox they could name and learn what principals had what access to it. (This action should have been restricted to users with admin access on the target mailbox.)",
"evidence": "osv:DEBIAN-CVE-2026-47089",
"products": [
{
"name": {
"value": "cyrus-imapd",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "3.6.1-4+deb12u5",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": [
{
"value": "3.6.1-4",
"evidence": "/affected/0/versions"
},
{
"value": "3.6.1-4+deb12u1",
"evidence": "/affected/0/versions"
},
{
"value": "3.6.1-4+deb12u2",
"evidence": "/affected/0/versions"
},
{
"value": "3.6.1-4+deb12u3",
"evidence": "/affected/0/versions"
},
{
"value": "3.6.1-4+deb12u4",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "cyrus-imapd",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "3.10.2-1+deb13u2",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": [
{
"value": "3.10.2-1",
"evidence": "/affected/1/versions"
},
{
"value": "3.10.2-1+deb13u1",
"evidence": "/affected/1/versions"
}
]
},
{
"name": {
"value": "cyrus-imapd",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "3.12.3-1",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": [
{
"value": "3.10.2-1",
"evidence": "/affected/2/versions"
},
{
"value": "3.12.0-1",
"evidence": "/affected/2/versions"
},
{
"value": "3.12.0-2",
"evidence": "/affected/2/versions"
},
{
"value": "3.12.1-1",
"evidence": "/affected/2/versions"
},
{
"value": "3.12.1-2",
"evidence": "/affected/2/versions"
},
{
"value": "3.12.1-3",
"evidence": "/affected/2/versions"
},
{
"value": "3.12.2-1",
"evidence": "/affected/2/versions"
},
{
"value": "3.12.3-1~bpo13+1",
"evidence": "/affected/2/versions"
}
]
}
],
"severity": "medium",
"structured": {
"id": "DEBIAN-CVE-2026-47089",
"aliases": [
"DEBIAN-CVE-2026-47089"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "3.6.1-4+deb12u5"
}
]
}
],
"package": {
"name": "cyrus-imapd",
"purl": "pkg:deb/debian/cyrus-imapd?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"versions": [
"3.6.1-4",
"3.6.1-4+deb12u1",
"3.6.1-4+deb12u2",
"3.6.1-4+deb12u3",
"3.6.1-4+deb12u4"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-47089.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "3.10.2-1+deb13u2"
}
]
}
],
"package": {
"name": "cyrus-imapd",
"purl": "pkg:deb/debian/cyrus-imapd?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"versions": [
"3.10.2-1",
"3.10.2-1+deb13u1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-47089.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "3.12.3-1"
}
]
}
],
"package": {
"name": "cyrus-imapd",
"purl": "pkg:deb/debian/cyrus-imapd?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"versions": [
"3.10.2-1",
"3.12.0-1",
"3.12.0-2",
"3.12.1-1",
"3.12.1-2",
"3.12.1-3",
"3.12.2-1",
"3.12.3-1~bpo13+1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-47089.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-25T09:47:41.152467271Z",
"provider": "osv",
"upstream": [
"CVE-2026-47089"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2026-47089"
]
},
"related_cves": [
{
"value": "CVE-2026-47089",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 445164,
"published_at": "2026-07-16T19:16:49.647+00:00"
}