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CVE PROGRAM SOURCE RECORD4.8 Medium

CVE-2026-1858

wget2 Improper Certificate Validation

Description

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

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

gnu wget2

Default version status: unaffected

  • 0 to ≤ 2.2.1affected

References