CVE-2026-112305: Semaphore UI through 2.19.16 RCE via Task Environment Ansible Variable Override
semaphoreui · Semaphore UI
Vendor fix available · Affected: semaphoreui Semaphore UI · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 47% of scored CVEs
DescriptionCVE.org
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.
Affected products1
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- semaphoreui · Semaphore UIup to and including 2.19.16
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Vendor
- semaphoreui
- Published
- October 2026
CoverageNo articles yet
No CyberSIXT article names CVE-2026-112305 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.