UBUNTU-CVE-2026-61907
Dashboard / Vulnerabilities / UBUNTU-CVE-2026-61907
Summary:
Details: JMAP snooze bypasses 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.
References: https://ubuntu.com/security/CVE-2026-61907, https://www.cve.org/CVERecord?id=CVE-2026-61907
Affected packages
Package
Name: cyrus-imapd
Purl: pkg:deb/ubuntu/cyrus-imapd?arch=source&distro=esm-apps%2Fbionic
Affected ranges
Type: ECOSYSTEM
Events:
Introduced- 0
Fixed -None
Affected versions
2.5.10-3build1
2.5.10-3build2
2.5.10-3ubuntu1
2.5.10-3ubuntu1.1
2.5.10-3ubuntu1.1+esm1
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
