PuTTY 0.77 before 0.84 uses a copy of the PuTTY icon as a trust indication for TELNET data but the trust status is not cleared between proxy authentication and the main session.

The remote Fedora 44 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-1ab61e6e20 advisory.

    This is an update fixing several security related problems in putty.



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-2026-61f53cc218 advisory.

    This is an update fixing several security related problems in putty.


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.

  - PuTTY 0.77 before 0.84 uses a copy of the PuTTY icon as a trust indication for TELNET data but the trust     status is not cleared between proxy authentication and the main session. (CVE-2026-48851)

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

ID	Name	Product	Family	Type	Severity
320214	Fedora 44 : putty (2026-1ab61e6e20)	Nessus	Fedora Local Security Checks	Local	medium
320207	Fedora 43 : putty (2026-61f53cc218)	Nessus	Fedora Local Security Checks	Local	medium
316810	Linux Distros Unpatched Vulnerability : CVE-2026-48851	Nessus	Misc.	Local	low

Detections

Analytics

CVE-2026-48851

low

Tenable Plugins

medium

medium

low