CVE-2026-47084
published 2026-07-16CVE-2026-47084: 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…
PriorityP340medium6.5CVSS 3.1
AVNACLPRLUINSUCNIHAN
EPSS
0.35%
28.1th percentile
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.
Affected
2 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| cyrusimap | cyrus_imap | < 3.12.3 | 3.12.3 |
| debian | cyrus-imapd | — | — |
CVSS provenance
nvdv3.16.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
vendor_redhat6.5MEDIUM
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Red Hat
cyrus-imapd: Cyrus IMAP: Unauthorized mailbox deletion via ACL bypass
vendor_redhat·2026-07-16·CVSS 6.5
CVE-2026-47084 [MEDIUM] CWE-266 cyrus-imapd: Cyrus IMAP: Unauthorized mailbox deletion via ACL bypass
cyrus-imapd: Cyrus IMAP: Unauthorized mailbox deletion via ACL bypass
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.
A flaw was found in Cyrus IMAP (cyrus-imapd). An authenticated user, without administrative privileges, could bypass Access Control List (ACL) checks by using the LOCALDELETE command. This allowed them to delete mailboxes for which they did not have the necessary permissions, leading to unauthorized data integrity compromise.
Statement: This Moderate flaw in Cyrus IMAP allows an authenticated user to bypass Access Control List (ACL) restrictions, enabling unauthor
GHSA
An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2.
ghsa_unreviewed·2026-07-16
CVE-2026-47084 [MEDIUM] CWE-863 An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2.
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.
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2026-47084 cyrus-imapd: Cyrus IMAP: Unauthorized mailbox deletion via ACL bypass [fedora-all]
bugzilla·2026-07-17·CVSS 6.5
CVE-2026-47084 [MEDIUM] CVE-2026-47084 cyrus-imapd: Cyrus IMAP: Unauthorized mailbox deletion via ACL bypass [fedora-all]
CVE-2026-47084 cyrus-imapd: Cyrus IMAP: Unauthorized mailbox deletion via ACL bypass [fedora-all]
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
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.
Bugzilla
CVE-2026-47084 cyrus-imapd: Cyrus IMAP: Unauthorized mailbox deletion via ACL bypass
bugzilla·2026-07-16·CVSS 6.5
CVE-2026-47084 [MEDIUM] CVE-2026-47084 cyrus-imapd: Cyrus IMAP: Unauthorized mailbox deletion via ACL bypass
CVE-2026-47084 cyrus-imapd: Cyrus IMAP: Unauthorized mailbox deletion via ACL bypass
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.
2026-07-16
Published