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Details of issue NIXPKGS-2026-1707

NIXPKGS-2026-1707
published on
Permalink CVE-2026-48851
3.1 LOW
  • CVSS version (CVSS): 3.1
  • Attack Vector (AV): Network (N)
  • Attack Complexity (AC): High (H)
  • Privileges Required (PR): None (N)
  • User Interaction (UI): Required (R)
  • Scope (S): Unchanged (U)
  • Confidentiality (C): None (N)
  • Integrity (I): Low (L)
  • Availability (A): None (N)
  • Modified Attack Vector (MAV): Network (N)
  • Modified Attack Complexity (MAC): High (H)
  • Modified Privileges Required (MPR): None (N)
  • Modified User Interaction (MUI): Required (R)
  • Modified Confidentiality (MC): None (N)
  • Modified Scope (MS): Unchanged (U)
  • Modified Integrity (MI): Low (L)
  • Modified Availability (MA): None (N)
updated 4 hours ago by @LeSuisse Activity log
  • Created suggestion
  • @LeSuisse accepted
  • @LeSuisse published on GitHub
PuTTY 0.77 before 0.84 uses a copy of the PuTTY …

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.

Affected products

PuTTY
  • <0.84

Matching in nixpkgs

pkgs.putty

Free Telnet/SSH Client

  • nixos-unstable 0.83
    • nixpkgs-unstable 0.83
    • nixos-unstable-small 0.83
  • nixos-25.11 0.83
    • nixos-25.11-small 0.83
    • nixpkgs-25.11-darwin 0.83