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    CVE-2025-26842

    An issue was discovered in Znuny through 7.1.3. If access to a ticket is not given, the content of S/MIME encrypted e-mail messages is visible to users with access to the CommunicationLog.

    Published:May 8, 2025
    Last Modified:Jun 12, 2025
    EPS:May 8, 2025
    EPSS Score:0.00061
    CVSS Score:7.5

    Affected Products

    Vendor
    Znuny
    Product
    Znuny

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-863 Incorrect Authorization

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-77506 (CVSS 4.8) — Znuny before LTS 6.5.22 allows AgentTicketEmailResend template XSS.…
    CVE-2026-50592 (CVSS 6.4) — In Znuny LTS before 6.5.21 and Znuny before 7.3.3, there is reflected XSS in AdminCommunicationLog (aka the …
    CVE-2026-50591 (CVSS 5.4) — In Znuny LTS before 6.5.21 and Znuny before 7.3.3, XSS can occur via stored user preferences.…
    CVE-2025-52204 (CVSS 6.1) — A Cross-Site Scripting (XSS) vulnerability exists in Znuny::ITSM 6.5.x in the customer.pl endpoint via the OTR…
    CVE-2025-26846 (CVSS 9.8) — An issue was discovered in Znuny before 7.1.4. Permissions are not checked properly when using the Generic Int…
    CVE-2025-43926 (CVSS 6.1) — An issue was discovered in Znuny through 6.5.14 and 7.x through 7.1.6. Custom AJAX calls to the AgentPreferenc…
    CVE-2025-26847 (CVSS 7.5) — An issue was discovered in Znuny before 7.1.5. When generating a support bundle, not all passwords are masked.…
    CVE-2025-26844 (CVSS 9.8) — An issue was discovered in Znuny through 7.1.3. A cookie is set without the HttpOnly flag.…
    CVE-2025-26845 (CVSS 9.8) — An Eval Injection issue was discovered in Znuny through 7.1.3. A user with write access to the configuration f…
    CVE-2024-48937 (CVSS 6.1) — Znuny before LTS 6.5.1 through 6.5.10 and 7.0.1 through 7.0.16 allows XSS. JavaScript code in the short descri…

    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