Known Vulnerabilities for Dovecot by Open-xchange
Listed below are 10 of the newest known vulnerabilities associated with "Dovecot" by "Open-xchange".
These CVEs are retrieved based on exact matches on listed software, hardware, and vendor information (CPE data) as well as a keyword search to ensure the newest vulnerabilities with no officially listed software information are still displayed.
Data on known vulnerable versions is also displayed based on information from known CPEs
Known Vulnerabilities
| CVE | Shortened Description | Severity | Publish Date | Last Modified |
|---|---|---|---|---|
| CVE-2026-42006 json | Not Provided | 2026-05-12 | 2026-05-18 | |
| CVE-2026-40020 json | Attacker can use the IMAP SETACL command to inject the anyone permission to user's dovecot-acl file even if imap_acl_allow_an... | Not Provided | 2026-05-12 | 2026-05-12 |
| CVE-2026-40016 json | Not Provided | 2026-05-12 | 2026-05-18 | |
| CVE-2026-33603 json | Attacker can use a specially crafted base64 exchange between Dovecot and Client to fake SCRAM TLS channel binding. This requi... | Not Provided | 2026-05-12 | 2026-05-12 |
| CVE-2026-27860 json | If auth_username_chars is empty, it is possible to inject arbitrary LDAP filter to Dovecot's LDAP authentication. This leads ... | Not Provided | 2026-03-27 | 2026-03-27 |
| CVE-2026-27859 json | Not Provided | 2026-03-27 | 2026-04-30 | |
| CVE-2026-27858 json | Not Provided | 2026-03-27 | 2026-04-30 | |
| CVE-2026-27857 json | Not Provided | 2026-03-27 | 2026-04-30 | |
| CVE-2026-27856 json | Not Provided | 2026-03-27 | 2026-04-29 | |
| CVE-2026-27855 json | Dovecot OTP authentication is vulnerable to replay attack under specific conditions. If auth cache is enabled, and username i... | Not Provided | 2026-03-27 | 2026-03-27 |