PYSEC-2026-2594 Linuxfabrik Monitoring Plugins have local privilege escalation using embedded command

Summary When a check plugin places user provided input inside a command which is passed to shellexec, an attacker can abuse this to run arbitrary commands. This is mainly dangerous for plugins which are listed in the sudoers file, because this allows an attacker controlling the nagios user to get...

PYSEC-2026-2595 Linuxfabrik Monitoring Plugins: Sudoers may be able to obtain privilege escalation via /usr/bin/apt-get arguments

Summary In the Debian.sudoers file, apt-get is allowed for the nagios user. The full command including the arguments are not enforced and can therefore be choosen arbitrarily. This allows to easily get a root shell as the nagios user: PoC By choosing a particular argument, you can get as a nagios...

GHSA-8W6W-23MQ-H8RG Linuxfabrik Monitoring Plugins: Sudoers may be able to obtain privilege escalation via /usr/bin/apt-get arguments

Summary In the Debian.sudoers file, apt-get is allowed for the nagios user. The full command including the arguments are not enforced and can therefore be choosen arbitrarily. This allows to easily get a root shell as the nagios user: PoC By choosing a particular argument, you can get as a nagios...

PT-2026-55478

Name of the Vulnerable Software and Affected Versions monitoring-plugins affected versions not specified Description An issue exists in the Debian.sudoers file where the apt-get command is permitted for the nagios user without enforcing specific arguments. This allows a user who has compromised t...

CVE-2019-20384

Gentoo Portage through 2.3.84 allows local users to place a Trojan horse plugin in the /usr/lib64/nagios/plugins directory by leveraging access to the nagios user account, because this directory is writable in between a call to emake and a call to fowners...

CVE-2025-34287

Nagios XI versions prior to 2024R2 contain an improperly owned script, processperfdata.pl, which is executed periodically as the nagios user but owned by www-data. Because the file was writable by www-data, an attacker with web server privileges could modify its contents, leading to arbitrary cod...

CVE-2025-34274

Nagios Log Server versions prior to 2024R2.0.3 contain an execution with unnecessary privileges vulnerability as it runs its embedded Logstash process as the root user. If an attacker is able to compromise the Logstash process - for example by exploiting an insecure plugin, pipeline configuration...

CVE-2025-34274

Nagios Log Server versions prior to 2024R2.0.3 contain an execution with unnecessary privileges vulnerability as it runs its embedded Logstash process as the root user. If an attacker is able to compromise the Logstash process - for example by exploiting an insecure plugin, pipeline configuration...

CVE-2025-34274

Nagios Log Server versions prior to 2024R2.0.3 contain an execution with unnecessary privileges vulnerability as it runs its embedded Logstash process as the root user. If an attacker is able to compromise the Logstash process - for example by exploiting an insecure plugin, pipeline configuration...

CVE-2025-34274 Nagios Log Server < 2024R2.0.3 Logstash Process Root Privileges

Nagios Log Server versions prior to 2024R2.0.3 contain an execution with unnecessary privileges vulnerability as it runs its embedded Logstash process as the root user. If an attacker is able to compromise the Logstash process - for example by exploiting an insecure plugin, pipeline configuration...

PT-2025-44517

Name of the Vulnerable Software and Affected Versions Nagios Log Server versions prior to 2024R2.0.3 Description The software runs its embedded Logstash process as the root user, leading to a situation where an attacker compromising the Logstash process could execute code with root privileges,...

EUVD-2018-8000

Malware in sbrugna...

CVE-2025-34227

Nagios XI 2026R1 is vulnerable to an authenticated command injection vulnerability within the MongoDB Database, MySQL Query, MySQL Server, Postgres Server, and Postgres Query wizards. It is possible to inject shell characters into arguments provided to the service and execute arbitrary system...

CVE-2025-34227

Nagios XI 2026R1 is vulnerable to an authenticated command injection vulnerability within the MongoDB Database, MySQL Query, MySQL Server, Postgres Server, and Postgres Query wizards. It is possible to inject shell characters into arguments provided to the service and execute arbitrary system...

PT-2025-39429

Name of the Vulnerable Software and Affected Versions Nagios XI versions prior to 2026R1 Description Nagios XI is susceptible to an authenticated command injection issue present in the MongoDB Database, MySQL Query, MySQL Server, Postgres Server, and Postgres Query wizards. Successful exploitatio...

CVE-2024-43199

Nagios NDOUtils prior to 2.1.4 is affected by CVE-2024-43199 due to executable files owned by the nagios user, enabling local privilege escalation from nagios to root. Affected software: Nagios NDOUtils (versions before 2.1.4). Root cause: ownership of certain executables by the nagios user allow...

Exploit for Improper Privilege Management in Nagios Nagios_Xi

Vulnerability Report CVE Disovered by: Jarod Jaslow MAWK...

Code injection

An issue was discovered in Nagios XI 5.8.5. Insecure file permissions on the nagiosunbundler.py file allow the nagios user to elevate their privileges to the root user...

CVE-2019-20384

Gentoo Portage through 2.3.84 allows local users to place a Trojan horse plugin in the /usr/lib64/nagios/plugins directory by leveraging access to the nagios user account, because this directory is writable in between a call to emake and a call to fowners...

Command injection

Nagios XI before 5.6.6 allows remote command execution as root. The exploit requires access to the server as the nagios user, or access as the admin user via the web interface. The getprofile.sh script, invoked by downloading a system profile profile.php?cmd=download, is executed as root via a...