CVE-2026-24061
GNU InetUtils Argument Injection Vulnerability
CVSS
9.8
Crítica
EPSS
99.0%
p100
KEV
SIM
26 de jan. de 2026
Exploit Today
80
0-100
Publicado: 21 de jan. de 2026 · Última mod.: 30 de set. de 2026 · CWE-88
Produto
GNU / InetUtils
Vulnerabilidade
GNU InetUtils Argument Injection Vulnerability
Adicionado ao KEV
26 de jan. de 2026
Corrigir até
16 de fev. de 2026
Uso conhecido em ransomware
Não
Descrição resumida
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.
Ação necessária
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Notas
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/fd702c02497b2f398e739e3119bed0b23dd7aa7b ; https://nvd.nist.gov/vuln/detail/CVE-2026-24061
telnetd in GNU Inetutils through 2.7 allows remote authentication bypass via a "-f root" value for the USER environment variable.
- codeberg.orghttps://codeberg.org/inetutils/inetutils/commit/ccba9f748aa8d50a38d7748e2e60362edd6a32cc
- codeberg.orghttps://codeberg.org/inetutils/inetutils/commit/fd702c02497b2f398e739e3119bed0b23dd7aa7b
- lists.gnu.orghttps://lists.gnu.org/archive/html/bug-inetutils/2026-01/msg00004.html
- redteam.aehttps://redteam.ae/blog/cve-2026-24061-inetutils-telnetd-root-bypass
- www.gnu.orghttps://www.gnu.org/software/inetutils/
- www.openwall.comhttps://www.openwall.com/lists/oss-security/2026/01/20/2
- www.openwall.comhttps://www.openwall.com/lists/oss-security/2026/01/20/8
- www.vicarius.iohttps://www.vicarius.io/vsociety/posts/cve-2026-24061-detection-script-remote-authentication-bypass-in-gnu-inetutils-package
- www.vicarius.iohttps://www.vicarius.io/vsociety/posts/cve-2026-24061-mitigation-script-remote-authentication-bypass-in-gnu-inetutils-package
- www.openwall.comhttp://www.openwall.com/lists/oss-security/2026/01/22/1
- lists.debian.orghttps://lists.debian.org/debian-lts-announce/2026/01/msg00025.html
- www.cisa.govhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-24061
- www.labs.greynoise.iohttps://www.labs.greynoise.io/grimoire/2026-01-22-f-around-and-find-out-18-hours-of-unsolicited-houseguests/index.html
- www.openwall.comhttps://www.openwall.com/lists/oss-security/2026/01/20/2#:~:text=root@...a%3A~%20USER='