Semaphoreui Semaphore UI vulnerabilities

1 vulnerability

Known vulnerabilities in Semaphoreui Semaphore UI, newest first, with CVSS severity, EPSS, KEV listings, ransomware use and the affected versions.

8.8CVE-2026-112305semaphoreuisemaphore ui
EPSS score
0.56%
Semaphore UI through 2.19.16 contains a remote code execution vulnerability that allows users with the task_runner role to override protected Ansible variables by supplying arbitrary keys in the task environment JSON. Attackers can POST tasks setting ansible_ssh_common_args with a ProxyCommand or ansible_connection=local to execute commands as the Semaphore server user, exposing encryption keys, SSH keys and stored secrets.