CVE Field Guide
About Us
CVE-2026-40204
PUBLISHED
Assigner:
OX
Reserved:
10.04.2026
Published:
28.08.2026
Updated:
28.08.2026
None None None No publicly available exploits are known.
Metrics
CVSS 3.1
CVSS Vector:
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
CVSS Score:
3.1
CVSS score
3.1
Attack Vector
Network
Scope
Unchanged
Attack Complexity
High
Confidentiality Impact
None
Privileges Required
Low
Integrity Impact
Low
User Interaction
None
Availability Impact
None
CVSS 3.1
Product Status
Vendor
Open-Xchange GmbH
Product
OX Dovecot Pro
Versions
Default:
unaffected
affected from 2.3.0 to 2.3.22.2 (excl.)
affected from 3.0.0 to 3.0.7 (excl.)
affected from 3.1.0 to 3.1.6 (excl.)
Vendor
Open-Xchange GmbH
Product
OX Dovecot CE
Versions
Default:
unaffected
affected from 2.3.0 to 2.4.5 (excl.)
References
https://documentation.open-xchange.com/dovecot/security/advisories/csaf/2026/oxdc-adv-2026-0003.json
Problem Types
Improper Access Control
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