CVE ID :CVE-2026-27860 Published : March 27, 2026, 9:16 a.m. | 23 minutes ago Description :If auth_username_chars is empty, it is possible to inject arbitrary LDAP filter to Dovecot's LDAP authentication. This leads to potentially bypassing restrictions and allows probing of LDAP structure. Do not clear out auth_username_chars, or install fixed version. No publicly available exploits are known. Severity: 3.7 | LOW Visit the link for more details, such as CVSS details, affected products, timeline, and more...