This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page. View CVE-2026-61907 →

DEBIAN-CVE-2026-61907

An issue was discovered in Cyrus IMAP before 3.12.4. JMAP snooze bypasses the destination-mailbox ACL. An authenticated user with insert permissions o...

Original description

The description as published by the source.

An issue was discovered in Cyrus IMAP before 3.12.4. JMAP snooze bypasses the destination-mailbox ACL. An authenticated user with insert permissions on another user's snoozed mailbox could cause insertion of mail to that user's inbox, or any other of their mailboxes whose id was known to the user, despite having no insert permissions to the target mailbox.

Source: OSV.dev (Open Source Vulnerabilities) OSV

Affected packages

Debian:12 cyrus-imapd

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Debian:13 cyrus-imapd

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Debian:14 cyrus-imapd

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.12.4-1"}]}]

References

advisory security-tracker.debian.org