Home / Vulnerabilities / CVE-2026-24061
CRITICAL SEVERITY
CVE-2026-24061 GNU · InetUtils

GNU InetUtils Argument Injection Vulnerability

Technical Severity

CVSS v3.1 Metrics

CRITICAL
9.8 / 10
Minimal Risk Critical
Vector Specification
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitation Likelihood

EPSS Prediction

29.55 %
Predictive Probability
Percentile Rank
96.5 th

Documented as more likely to be exploited than 96.5% of known CVEs.

Detection Date

Jan 26, 2026

Remediation Due

Feb 16, 2026

CISA Catalog Active

Threat Analysis

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.

Remediation Directive

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

External Intelligence

This vulnerability could affect an open-source component, third-party library, protocol, or proprietary implementation that could be used by different products. For more information, please see:

https://cgit.git.savannah.gnu.org/cgit/inetutils.git

https://codeberg.org/inetutils/inetutils/commit/ccba9f748aa8d50a38d7748e2e60362edd6a32cc

https://codeberg.org/inetutils/inetutils/commit/ccba9f748aa8d50a38d7748e2e60362edd6a32cc

https://codeberg.org/inetutils/inetutils/commit/fd702c02497b2f398e739e3119bed0b23dd7aa7b

https://codeberg.org/inetutils/inetutils/commit/fd702c02497b2f398e739e3119bed0b23dd7aa7b
NVD

National Vulnerability Database

https://nvd.nist.gov/vuln/detail/CVE-2026-24061