5 matches found
CVE-2026-54161
Network UPS Tools is a collection of programs which provide a common interface for monitoring and administering UPS, PDU and SCD hardware. From 2.8.3 to 2.8.5, upsmon in clients/upsmon.c inserts the server-supplied ups.alarm value into shell commands executed by notify, asyncnotify, and wall. Whe...
CVE-2026-54161 upsmon: remote OS command injection (RCE) via attacker-controlled ups.alarm in NOTIFYCMD execution
Network UPS Tools is a collection of programs which provide a common interface for monitoring and administering UPS, PDU and SCD hardware. From 2.8.3 to 2.8.5, upsmon in clients/upsmon.c inserts the server-supplied ups.alarm value into shell commands executed by notify, asyncnotify, and wall. Whe...
CVE-2026-54161
The Network UPS Tools (NUT) software versions 2.8.3 through 2.8.5 are vulnerable to a remote OS command injection in the upsmon component (specifically in clients/upsmon.c). The root cause is the unsanitized interpolation of the server-supplied ups.alarm value into shell commands executed by noti...
CVE-2026-54161
CVE-2026-54161 PoC Summary upsmon interpolates the server-supplied, attacker-controllableups.alarm value, unsanitized, into a shell command that it runs via system. When a monitored device reports an ALARM state and the operator has configured NOTIFYCMD with EXEC on the ALARM event, an ups.alarm...