Threats Tagged 'cve-2026-114474'
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Threats Tagged 'cve-2026-114474'
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0 CVE-2026-114474 is a medium severity vulnerability in Progressive Robot Ltd hMailServer versions 6.0.0 through 6.3.6. It involves the use of a less trusted source for the envelope sender address when downloading mail from external POP3 or IMAP accounts. This flaw allows a remote unauthenticated attacker to send mail that appears to originate from a domain hosted by the server, passing SPF and DMARC checks at receiving mail servers. The vulnerability arises because the server uses the From header address as the envelope sender without proper validation, enabling spoofing of the envelope sender domain. No non-default settings or DMARC policies are required for exploitation. The attacker must know a mailbox that the server collects mail for and forwards externally. No known exploits are reported in the wild, and no official patch information is provided. Join the discussion | CVE Database V5 | 10/21/2026, 15:12:15 UTC Added: 10/21/2026, 15:31:14 UTC |
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