CVE-2026-47083

Cyrus IMAPd up to 3.12.2 contains a cross-user ESEARCH content oracle: an authenticated IMAP user can enumerate folder names under any account they can name, with search returning message UIDs (no full content access). Root cause: ESEARCH handling exposes per-account folder/UID metadata to other ...

PT-2026-60557

Name of the Vulnerable Software and Affected Versions cyrus-imapd versions prior to 3.12.3 Description An authenticated user can access sensitive information by calling the IMAP LISTRIGHTS command against any named mailbox. This allows the user to identify which principals have specific access...

CVE-2026-47083

An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2. There is an ESEARCH cross-user content oracle. By using the ESEARCH command, an authenticated IMAP user could enumerate folder names under any account they could name. Search would return UIDs of messages matching the search,...

CVE-2026-47086

An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2. GENURLAUTH-issued tokens can bypass ACLs. Any authenticated user could mint a URLAUTH token via the GENURLAUTH command for any mailbox they could name, even without read access on it. This would allow reading mail from mailboxes...

CVE-2026-47084

CVE-2026-47084 affects Cyrus IMAPD up to version 3.12.2. The LOCALDELETE command bypassed ACL checks, allowing an authenticated but non-admin user to invoke an admin-only LOCALDELETE IMAP command and delete mailboxes for which they had no permissions. The CVSS metrics indicate a base score of 6.5...

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 ...

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...

PT-2026-60549

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...

CVE-2026-47087

The CVE affects cyrus-imapd (Cyrus IMAP) up to version 3.12.2, where URLAUTH does not honor revoked authorizer access; a URLAUTH URL minted while access was valid remains usable after revocation. This could enable continued access to previously authorized resources. A fix is available in the 3.12...

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...

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-2026-47088

An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2. There is heap exposure in nested MIME comment parsing. An authenticated IMAP user could craft an email message containing an RFC 822 comment ending with a backslash. When parsing the message, the server would read past the...

CVE-2026-47089

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 ...

CVE-2026-47087

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...

OESA-2026-2693 mongo-c-driver security update

mongo-c-driver is a project that includes two libraries: libmongoc, a client library written in C for MongoDB. libbson, a library providing useful routines related to building, parsing, and iterating BSON documents. Security Fixes: The bsonvalidate function may return early on specific inputs and...

OESA-2026-2692 mongo-c-driver security update

mongo-c-driver is a project that includes two libraries: libmongoc, a client library written in C for MongoDB. libbson, a library providing useful routines related to building, parsing, and iterating BSON documents. Security Fixes: The MongoDB C Driver's Cyrus SASL integration performs unsafe...

OESA-2026-2690 mongo-c-driver security update

mongo-c-driver is a project that includes two libraries: libmongoc, a client library written in C for MongoDB. libbson, a library providing useful routines related to building, parsing, and iterating BSON documents. Security Fixes: The MongoDB C Driver's Cyrus SASL integration performs unsafe...

OESA-2026-2691 mongo-c-driver security update

mongo-c-driver is a project that includes two libraries: libmongoc, a client library written in C for MongoDB. libbson, a library providing useful routines related to building, parsing, and iterating BSON documents. Security Fixes: The MongoDB C Driver's Cyrus SASL integration performs unsafe...

Security update for cyrus-imapd (important)

openSUSE security update: security update for cyrus-imapd ------------------------------------------------------------- Announcement ID: openSUSE-SU-2026:20962-1 Rating: important References: bsc1241536 bsc1241543 bsc1246165 bsc1251788 Cross-References: CVE-2025-23394 CVE-2025-49812 CVSS scores:...

Security update for cyrus-imapd (important)

openSUSE Security Update: Security update for cyrus-imapd Announcement ID: openSUSE-SU-2026:0204-1 Rating: important References: 1241536 1241543 1246165 1251788 Cross-References: CVE-2025-23394 CVE-2025-49812 CVSS scores: CVE-2025-49812 SUSE: 8.3...