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Product · Progressive Robot

hMailServer

60 known vulnerabilities.

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  • Low 3.7
    CVE-2026-114472

    Insufficient Resource Pool in hMailServer

    Insufficient resource pool in the ACME HTTP-01 challenge responder of Progressive Robot hMailServer 6.0.0 through 6.3.6 allows a remote unauthenticated attacker to cause a certificate issuance or renewal to fail. When the server obtains or renews a TLS certif…

    Progressive Robot hMailServer