Hosts vulnerable to CVE-2026-27855
CVE-2026-27855 — severity medium, CVSS 6.8 — 1 affected host indexed by QROS Explore.
About CVE-2026-27855
Dovecot OTP authentication is vulnerable to replay attack under specific conditions. If auth cache is enabled, and username is altered in passdb, then OTP credentials can be cached so that same OTP reply is valid. An attacker able to observe an OTP exchange is able to log in as the user. If authenti
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