CVE-2026-33607

An attacker that has valid credentials can use IMAP LIST command to consume CPU. This can cause degradation or denial of service for IMAP. Monitor system for abnormal CPU usage and kill the offending process and lock account. Alternatively install fixed version. No publicly available exploits are known.

• CWE-400

• https://documentation.open-xchange.com/dovecot/security/advisories/csaf/2026/oxdc-adv-2026-0003.json

Published

Aug 28, 2026

Last Modified

Sep 3, 2026

Status

Deferred

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
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• CVE-2026-33601If you use the zoneToCache function with a malicious authori…4.9
• CVE-2026-33602A rogue backend can send a crafted UDP response with a query…8.2
• CVE-2026-33603Attacker can use a specially crafted base64 exchange between…5.3
• CVE-2026-33604An attacker that can get Dovecot to relay a message, for exa…5.9
• CVE-2026-33605An unauthenticated attacker can crash the ManageSieve login …7.5
• CVE-2026-33606Mail content stored by a user can be crafted so that it is i…4.8
• CVE-2026-33608An attacker can send a notify request that causes a new seco…9.8
• CVE-2026-33609Incomplete escaping of LDAP queries when running with 8bit-d…6.5
• CVE-2026-3361The WP Store Locator plugin for WordPress is vulnerable to S…6.4
• CVE-2026-33610A rogue primary server may cause file descriptor exhaustion …7.5
• CVE-2026-33611An operator allowed to use the REST API can cause the Author…4.9
• CVE-2026-33612A malicious authoritative server can send a crafted zone via…7.5