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    CVE-2026-8811

    SEPPmail versions before 15.0.5 allow improper handling of attachment filenames during encrypted PDF generation. An attacker can exploit this to create new files outside the intended directory, potentially placing files in web-accessible locations.

    Published:Jun 18, 2026
    Last Modified:Jun 24, 2026
    EPS:Jun 18, 2026
    EPSS Score:0.00319
    CVSS Score:7.1

    Affected Products

    Vendor
    Seppmail
    Product
    Secure Email Gateway

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2026-44129 (CVSS 8.3) — SEPPmail Secure Email Gateway before version 15.0.4 contains a server-side template injection vulnerability in…
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    CVE-2026-44127 (CVSS 8.8) — SEPPmail Secure Email Gateway before version 15.0.4 contains an unauthenticated path traversal vulnerability i…
    CVE-2026-7864 (CVSS 6.9) — SEPPmail Secure Email Gateway before version 15.0.4 exposes server environment variables through an unauthenti…
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    CVE-2026-29139 (CVSS 7.8) — SEPPmail Secure Email Gateway before version 15.0.3 allows account takeover by abusing GINA account initializa…
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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High