CVE-2026-15146 Affecting wget package, versions <1.20.3-1ubuntu2.1+esm3


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.16% (7th percentile)

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  • Snyk IDSNYK-UBUNTU2004-WGET-17958387
  • published17 Jul 2026
  • disclosed10 Jul 2026

Introduced: 10 Jul 2026

CVE-2026-15146  (opens in a new tab)

How to fix?

Upgrade Ubuntu:20.04 wget to version 1.20.3-1ubuntu2.1+esm3 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream wget package and not the wget package as distributed by Ubuntu. See How to fix? for Ubuntu:20.04 relevant fixed versions and status.

GNU Wget does not validate the IP address provided by an FTP PASV response while operating in FTP passive mode. A malicious FTP server, or an HTTP server that redirects to an FTP URL, can exploit this behavior to redirect Wget’s data connection to an arbitrary IP address and port. This allows an attacker to forge server-side requests (SSRF) from the machine running Wget, potentially accessing localhost services or internal network resources.

CVSS Base Scores

version 3.1