{"id":"CVE-2026-112305","revision":"43f0cc8a71894bfe850e73aa25d20461","records":[{"revision":"43f0cc8a71894bfe850e73aa25d20461","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-112305","aliases":[],"title":"Semaphore UI through 2.19.16 RCE via Task Environment Ansible Variable Override","description":"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.","state":0,"publishedAt":"2026-10-19T15:28:55.694+00:00","modifiedAt":"2026-10-19T17:40:14.094+00:00","affected":[{"ecosystem":"https://github.com/semaphoreui/semaphore","name":"Semaphore UI","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"semaphoreui\",\n                    \"product\": \"Semaphore UI\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"lessThanOrEqual\": \"2.19.16\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ],\n                    \"collectionURL\": \"https://github.com/semaphoreui/semaphore\",\n                    \"repo\": \"https://github.com/semaphoreui/semaphore\"\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","score":8.7,"severity":"HIGH"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":8.8,"severity":"HIGH"}],"references":["https://github.com/semaphoreui/semaphore/pull/3888","https://github.com/semaphoreui/semaphore/blob/v2.19.16/services/tasks/TaskRunner.go#L395-L431","https://github.com/semaphoreui/semaphore/blob/v2.19.16/api/projects/tasks.go#L39-L75","https://github.com/semaphoreui/semaphore","https://www.vulncheck.com/advisories/semaphore-ui-through-2.19.16-rce-via-task-environment-ansible-variable-override"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-112305","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-112305","identifiers":["CVE-2026-112305"]},"retained":false,"historicalAffected":[]}],"coverage":[]}