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.

The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-952a486b39 advisory.

    Update PAM file to better match modern reality.


Tenable has extracted the preceding description block directly from the Fedora security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Fedora 44 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-9d3c766833 advisory.

    Update PAM file to better match modern reality.


Tenable has extracted the preceding description block directly from the Fedora security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-bd0a75766f advisory.

    # Release notes for xrdp v0.10.6.1 (2026/07/06)

    ## General announcements

    This release fixes 10 vulnerabilities and 1 regression introduced by a vulnerability fix in the previous     release.

    If you like xrdp, please consider sponsoring or donating to the project. We accept financial contributions     through Open Collective, and direct donations to individual developers via GitHub Sponsors are also     welcome.

    ## Security fixes

    - CVE-2026-41252
    - CVE-2026-41521
    - CVE-2026-44178
    - CVE-2026-42218
    - CVE-2026-44978
    - CVE-2026-54538
    - CVE-2026-55238
    - CVE-2026-55626
    - CVE-2026-55639
    - CVE-2026-55645

    ## New features

    - None

    ## Bug fixes

    - regression: Fix SEGV in xrdp when running over TLS (#3793)

Tenable has extracted the preceding description block directly from the Fedora security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Fedora 44 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-05c06fa0a8 advisory.

    # Release notes for xrdp v0.10.6.1 (2026/07/06)

    ## General announcements

    This release fixes 10 vulnerabilities and 1 regression introduced by a vulnerability fix in the previous     release.

    If you like xrdp, please consider sponsoring or donating to the project. We accept financial contributions     through Open Collective, and direct donations to individual developers via GitHub Sponsors are also     welcome.

    ## Security fixes

    - CVE-2026-41252
    - CVE-2026-41521
    - CVE-2026-44178
    - CVE-2026-42218
    - CVE-2026-44978
    - CVE-2026-54538
    - CVE-2026-55238
    - CVE-2026-55626
    - CVE-2026-55639
    - CVE-2026-55645

    ## New features

    - None

    ## Bug fixes

    - regression: Fix SEGV in xrdp when running over TLS (#3793)

Tenable has extracted the preceding description block directly from the Fedora security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - 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. (CVE-2026-42218)

Note that Nessus relies on the presence of the package as reported by the vendor.

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the a3a34818-79a0-11f1-b295-98b78501ef2a advisory.

    xrdp projects reports:
    xrdp v0.10.6.1 fixes 10 vulnerabilities and 1 regression introduced             by a vulnerability fix in the previous release.

Tenable has extracted the preceding description block directly from the FreeBSD security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Severity
330000	Fedora 43 : xrdp (2026-952a486b39)	Nessus	Fedora Local Security Checks	critical
329999	Fedora 44 : xrdp (2026-9d3c766833)	Nessus	Fedora Local Security Checks	critical
327222	Fedora 43 : xrdp (2026-bd0a75766f)	Nessus	Fedora Local Security Checks	critical
327219	Fedora 44 : xrdp (2026-05c06fa0a8)	Nessus	Fedora Local Security Checks	critical
325628	Linux Distros Unpatched Vulnerability : CVE-2026-42218	Nessus	Misc.	medium
325494	FreeBSD : xrdp -- multiple vulnerabilities (a3a34818-79a0-11f1-b295-98b78501ef2a)	Nessus	FreeBSD Local Security Checks	critical

Detections

Analytics

CVE-2026-42218

medium

Tenable Plugins

critical

critical

critical

critical

medium

critical