{"schema":"threatline.record/2","record":{"id":"CVE-2026-112305","aliases":[],"summary":"Semaphore UI through 2.19.16 RCE via Task Environment Ansible Variable Override","details":"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.","categories":["Unclassified"],"product":"Semaphore UI","vendor":"semaphoreui","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-112305","source_modified_at":"2026-10-19T17:40:14.094Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Semaphore UI","vendor":"semaphoreui","versions":[{"version":"0","lessThanOrEqual":"2.19.16","status":"affected","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":8.7,"severity":"High","kev":{"listed":false},"epss":{"probability":0.00563,"percentile":0.46095,"score_date":"2026-10-23"},"published_at":"2026-10-19T15:28:55.694Z","modified_at":"2026-10-19T17:40:14.094Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-112305","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-19T17:40:14.094Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-112305","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/semaphoreui/semaphore/pull/3888","tags":["issue-tracking","technical-description","patch"]},{"source":"CVE List","url":"https://github.com/semaphoreui/semaphore/blob/v2.19.16/services/tasks/TaskRunner.go#L395-L431","tags":["technical-description"]},{"source":"CVE List","url":"https://github.com/semaphoreui/semaphore/blob/v2.19.16/api/projects/tasks.go#L39-L75","tags":["technical-description"]},{"source":"CVE List","url":"https://github.com/semaphoreui/semaphore","tags":["product"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/semaphore-ui-through-2.19.16-rce-via-task-environment-ansible-variable-override","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"total","assessed_at":"2026-10-19T17:38:35.032280Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-19T17:40:14.094Z","content_hash":"aa42eb141b964e34534eb7bfc416f8f4ffb575db1ddd94eeee65a1e2e336a520"}}