Hosts vulnerable to CVE-2026-27860
CVE-2026-27860 — severity low, CVSS 3.7 — 1 affected host indexed by QROS Explore.
About CVE-2026-27860
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
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