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    CVE-2025-26400

    SolarWinds Web Help Desk was reported to be affected by an XML External Entity Injection (XXE) vulnerability that could lead to information disclosure. A valid, low-privilege access is required unless the attacker had access to the local server to modify configuration files.

    Published:Jul 29, 2025
    Last Modified:Nov 17, 2025
    EPS:Jul 29, 2025
    EPSS Score:0.00028
    CVSS Score:5.3

    Affected Products

    Vendor
    Solarwinds
    Product
    Web Help Desk

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-221 Data Serialization External Entities Blowup

    Related CVEs

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    CVE-2025-40553 (CVSS 9.8) — SolarWinds Web Help Desk was found to be susceptible to an untrusted data deserialization vulnerability that c…
    CVE-2025-40552 (CVSS 9.8) — SolarWinds Web Help Desk was found to be susceptible to an authentication bypass vulnerability that if exploit…
    CVE-2025-40551 (CVSS 9.8) — SolarWinds Web Help Desk was found to be susceptible to an untrusted data deserialization vulnerability that c…
    CVE-2025-40537 (CVSS 7.5) — SolarWinds Web Help Desk was found to be susceptible to a hardcoded credentials vulnerability that, under cert…
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    CVE-2025-26399 (CVSS 9.8) — SolarWinds Web Help Desk was found to be susceptible to an unauthenticated AjaxProxy deserialization remote co…
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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