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CVE-2026-27855: Authentication Bypass by Capture-replay

🗓️ 27 Mar 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com👁 10 Views

Replay attack in Dovecot OTP authentication via passdb username alteration allows bypass.

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27 Mar 202608:10
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23 Jul 202600:00
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27 Mar 202612:27
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27 Mar 202600:00
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1 May 202605:11
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5 Apr 202615:22
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29 Apr 2026 00:00Current
6.8Medium risk
Vulners AI Score6.8
CVSS 3.15.9 - 6.8
EPSS0.00385
SSVC
10