CVE-2026-47083

A flaw was found in Cyrus IMAP. An authenticated user can exploit the ESEARCH command to discover the existence of folder names belonging to other user accounts. This vulnerability leads to information disclosure, allowing an attacker to gain unauthorized knowledge about the structure of other...

CVE-2026-47089

A flaw was found in Cyrus IMAP cyrus-imapd. An authenticated user can exploit this vulnerability by using the IMAP LISTRIGHTS command. This allows the user to learn the access permissions of any mailbox they can name, which should be restricted to administrators. This leads to unauthorized...

DEBIAN-CVE-2026-47085

An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2. URLAUTH token forgery can occur via a missing mboxkey. If an attacker knew a folder name on the victim's account for which the victim had never issued an auth URL, they could forge a working URLAUTH token by computing an HMAC-SH...

DEBIAN-CVE-2026-47082

An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2. The vacation "fcc" feature skips the destination-mailbox ACL. A user whose vacation Sieve script used :fcc to save a copy of the sent message could deliver vacation auto-reply copies into any mailbox the script could name,...

DEBIAN-CVE-2026-47081

An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2. There is an XAPPLEPUSHSERVICE folder existence oracle and push hijack. An authenticated IMAP user could probe for the existence of arbitrary mailboxes on other users' accounts via the XAPPLEPUSHSERVICE command and then create...

PT-2026-60555

An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2. URLAUTH does not honor revoked authorizer access. A URLAUTH URL minted while the authorizer had access continued to work after that access was revoked...

PT-2026-60553

Name of the Vulnerable Software and Affected Versions Cyrus IMAP versions prior to 3.12.3 Description An issue exists in cyrus-imapd where URLAUTH token forgery is possible due to a missing mboxkey. An attacker who knows a folder name on a victim's account that has no existing auth URL can forge ...

CVE-2026-47082

CVE-2026-47082 affects Cyrus IMAP (cyrus-imapd) up to version 3.12.2. The vacation Sieve option :fcc ignores destination mailbox ACLs, allowing a user’s vacation auto-replies to be delivered to any mailbox named by the script, even if the user lacks insert permissions on that mailbox. The issue i...

PT-2026-60552

Name of the Vulnerable Software and Affected Versions cyrus-imapd versions prior to 3.12.3 Description An issue exists where the LOCALDELETE IMAP command bypasses Access Control List ACL checks. This allows an authenticated user without administrative privileges to execute the LOCALDELETE command...

CVE-2026-47085

CVE-2026-47085 affects Cyrus IMAPD (up to 3.12.2). The flaw: URLAUTH token forgery via a missing mboxkey, allowing an attacker who knows a folder name the user never authorized to forge a valid URLAUTH by computing an HMAC-SHA1 with a predictable key, granting read access to the mailbox. Impact i...

PT-2026-60551

Name of the Vulnerable Software and Affected Versions cyrus-imapd versions prior to 3.12.3 Description An authenticated IMAP user can utilize the ESEARCH command to enumerate folder names under any specified account. This creates a content oracle, where the search returns UIDs of messages that...

CVE-2026-47082

An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2. The vacation "fcc" feature skips the destination-mailbox ACL. A user whose vacation Sieve script used :fcc to save a copy of the sent message could deliver vacation auto-reply copies into any mailbox the script could name,...

CVE-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 invoke the admin-only LOCALDELETE IMAP command and delete mailboxes for which they had no permissions...

CLSA-2026-1777280127 cyrus-imapd: Fix of CVE-2021-33582

Fix CVE-2021-33582 - Denial of service via string hashing algorithm collisions...

MiracleLinux 3 : cyrus-imapd-2.3.7-12.AXS3.2 (AXSA:2011-380:03)

The remote MiracleLinux 3 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2011-380:03 advisory. A full Cyrus IMAP implementation allows a seamless mail and bulletin board environment to be set up across multiple servers. It differs from other IM...

MiracleLinux 3 : cyrus-imapd-2.3.7-2AXS3.2 (AXSA:2009-72:01)

The remote MiracleLinux 3 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2009-72:01 advisory. The cyrus-imapd package contains the core of the Cyrus IMAP server. It is a scaleable enterprise mail system designed for use from small to large enterprise...

MiracleLinux 3 : cyrus-imapd-2.3.7-12.AXS3.1 (AXSA:2011-318:02)

The remote MiracleLinux 3 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2011-318:02 advisory. The cyrus-imapd package contains the core of the Cyrus IMAP server. It is a scaleable enterprise mail system designed for use from small to large enterprise...

Linux Distros Unpatched Vulnerability : CVE-2015-8078

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Integer overflow in the indexurlfetch function in imap/index.c in Cyrus IMAP 2.3.19, 2.4.18, and 2.5.6 allows remote attackers to have unspecified impact via...

SUSE CVE-2004-1011

Stack-based buffer overflow in Cyrus IMAP Server 2.2.4 through 2.2.8, with the imapmagicplus option enabled, allows remote attackers to execute arbitrary code via a long 1 PROXY or 2 LOGIN command, a different vulnerability than CVE-2004-1015...

SUSE CVE-2006-2502

Stack-based buffer overflow in pop3d in Cyrus IMAPD cyrus-imapd 2.3.2, when the popsubfolders option is enabled, allows remote attackers to execute arbitrary code via a long USER command...