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Details of issue NIXPKGS-2026-1293

NIXPKGS-2026-1293
published 1 month, 3 weeks ago
Permalink CVE-2026-1858
4.8 MEDIUM
  • CVSS version (CVSS): 3.1
  • Attack Vector (AV): Network (N)
  • Attack Complexity (AC): High (H)
  • Privileges Required (PR): None (N)
  • User Interaction (UI): None (N)
  • Scope (S): Unchanged (U)
  • Confidentiality (C): Low (L)
  • 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): None (N)
  • Modified Confidentiality (MC): Low (L)
  • Modified Scope (MS): Unchanged (U)
  • Modified Integrity (MI): Low (L)
  • Modified Availability (MA): None (N)
updated 1 month, 3 weeks ago by @LeSuisse Activity log
  • Created suggestion
  • @LeSuisse accepted
  • @LeSuisse published on GitHub
wget2 Improper Certificate Validation

wget2 accepts a server certificate with incorrect Key Usage (KU) or Extended Key Usage (EKU). If the attackers compromise a certificate (with the associated private key) issued for a different purpose, they may be able to reuse it for TLS server authentication.

Affected products

wget2
  • =<2.2.1

Matching in nixpkgs

pkgs.wget2

Successor of GNU Wget, a file and recursive website downloader

Package maintainers

Patch: https://gitlab.com/gnuwget/wget2/-/commit/f4854d7fbc0a85c1d9873f5980707c0b80df212a