GNU InetUtils Argument Injection Vulnerability

GNU InetUtils

GNU InetUtils contains an argument injection vulnerability in telnetd that could allow for remote authentication bypass via a "-f root" value for the USER environment variable. Added to CISA KEV on 2026-01-26 (federal deadline 2026-02-16).

First seen: 26 Jan 2026
Last update: 26 Jan 2026, 12:00 UTC
Identifiers: CVE-2026-24061
Source: CISA KEV

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## GNU InetUtils Argument Injection Vulnerability
Severity: high, exploited in the wild. Patch status: patched.
Affected: GNU InetUtils
Ids: CVE-2026-24061

GNU InetUtils contains an argument injection vulnerability in telnetd that could allow for remote authentication bypass via a "-f root" value for the USER environment variable. Added to CISA KEV on 2026-01-26 (federal deadline 2026-02-16).

## Steps
1. Search the repo, its CI and infra config for GNU InetUtils. If present, report the version in use and whether it's affected.

## Report
A table: file, product or package, version in use, affected yes/no, exact fix. Then anything a human has to check outside the repo.

If you have the pwned.coffee MCP server (https://pwned.coffee/mcp), call lookup_cve("CVE-2026-24061") for the latest, and check_repo with this repo's lockfiles, Dockerfiles and workflows for a full receipt.
Sources: https://codeberg.org/inetutils/inetutils/commit/ccba9f748aa8d50a38d7748e2e60362edd6a32cc https://codeberg.org/inetutils/inetutils/commit/fd702c02497b2f398e739e3119bed0b23dd7aa7b https://nvd.nist.gov/vuln/detail/CVE-2026-24061
https://pwned.coffee/i/gnu-inetutils-argument-injection-vulnerability-cve-2026-24061

Sources

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