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    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 to users with admin access on the target mailbox.)

    Published:Jul 16, 2026
    Last Modified:Jul 16, 2026
    EPS:Jul 16, 2026
    EPSS Score:0.00168
    CVSS Score:4.3

    Affected Products

    Vendor
    Cyrusimap
    Product
    Cyrus Imap

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-665 Exploitation of Thunderbolt Protection Flaws

    Related CVEs

    CVE-2026-61910 (CVSS 3.5) — An issue was discovered in Cyrus IMAP before 3.12.4. Mailbox/set let a sharee change a special-use role on sha…
    CVE-2026-61907 (CVSS 4.3) — An issue was discovered in Cyrus IMAP before 3.12.4. JMAP snooze bypasses the destination-mailbox ACL. An auth…
    CVE-2026-61909 (CVSS 3.5) — An issue was discovered in Cyrus IMAP before 3.12.4. CalDAV/CardDAV multiget bypasses a per-href ACL. An authe…
    CVE-2026-61908 (CVSS 3.1) — An issue was discovered in Cyrus IMAP before 3.12.4. A JMAP email-header blob ID can reference an out-of-bound…
    CVE-2026-61911 (CVSS 4.3) — An issue was discovered in Cyrus IMAP before 3.12.4. There is a Sieve mailbox existence oracle. An authenticat…
    CVE-2026-61915 (CVSS 4.2) — An issue was discovered in Cyrus IMAP before 3.12.4. There is a VPATCH BYPARAM double-free. An authenticated c…
    CVE-2026-47087 (CVSS 3.5) — An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2. URLAUTH does not honor revoked authorizer…
    CVE-2026-47088 (CVSS 3.1) — An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2. There is heap exposure in nested MIME com…
    CVE-2026-47086 (CVSS 3.5) — An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2. GENURLAUTH-issued tokens can bypass ACLs.…
    CVE-2026-47081 (CVSS 3.1) — An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2. There is an XAPPLEPUSHSERVICE folder exis…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High