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    CVE-2026-42218

    xrdp is an open source RDP server. Versions 0.10.6 and prior contain a timing side-channel vulnerability in the login interface. Due to a discrepancy in response processing times, a remote attacker can infer the existence of a username on the system, leading to unauthorized information disclosure via username enumeration. This issue has been fixed in version 0.10.6.1.

    Published:Jul 20, 2026
    Last Modified:Jul 20, 2026
    EPS:Jul 20, 2026
    EPSS Score:
    CVSS Score:5.3

    Affected Products

    Vendor
    Neutrinolabs
    Product
    Xrdp

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-204 Observable Response Discrepancy

    Related CVEs

    CVE-2026-55639 (CVSS 5.3) — xrdp is an open source RDP server. Versions 0.10.6 and prior contain a vulnerability concerning the parsing of…
    CVE-2026-55626 (CVSS 8) — xrdp is an open source RDP server. In versions 0.10.6 and prior, when an authenticated user session is initial…
    CVE-2026-55238 (CVSS 5.3) — xrdp is an open source RDP server. Versions 0.10.6 and prior contain a vulnerability concerning the processing…
    CVE-2026-54538 (CVSS 7.5) — xrdp is an open source RDP server. In versions 0.10.6 and prior, a n issue was discovered where the software f…
    CVE-2026-44978 (CVSS 5.3) — xrdp is an open source RDP server. Versions 0.10.6 and prior contain a heap out-of-bounds read vulnerability w…
    CVE-2026-44178 (CVSS 8.8) — xrdp is an open source RDP server. Versions 0.10.6 and prior contain a heap-based buffer overflow vulnerabilit…
    CVE-2026-55645 (CVSS 6.5) — xrdp is an open source RDP server. Versions 0.10.6 and prior contain a vulnerability concerning the processing…
    CVE-2026-41521 (CVSS 8.2) — xrdp is an open source RDP server. Versions 0.10.6 and prior contain an integer overflow vulnerability when pr…
    CVE-2026-41252 (CVSS 9.8) — xrdp is an open source RDP server. Versions 0.10.6 and prior contain a missing bounds check in xrdp, which all…
    CVE-2026-35512 (CVSS 8.7) — xrdp is an open source RDP server. Versions through 0.10.5 have a heap-based buffer overflow in the EGFX (grap…

    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