{"id":"CVE-2026-91994","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-91994","summary":"Semaphore UI through 2.19.12 exempts GET and HEAD requests from project resource permission checks in GetMustCanMiddleware. Attackers with guest or task_runner roles can read all project…","details":"Semaphore UI through 2.19.12 exempts GET and HEAD requests from project resource permission checks in GetMustCanMiddleware. Attackers with guest or task_runner roles can read all project environments including plaintext secrets, credentials, and passwords via GET requests to the environment endpoint.","published":"2026-09-15T12:17:54.793","modified":"2026-09-15T12:17:54.793","cvss":{"score":6.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://github.com/semaphoreui/semaphore"},{"type":"WEB","url":"https://github.com/semaphoreui/semaphore/blob/v2.19.12/api/projects/project.go#L89-L106"},{"type":"WEB","url":"https://github.com/semaphoreui/semaphore/blob/v2.19.12/api/router.go#L308-L329"},{"type":"WEB","url":"https://github.com/semaphoreui/semaphore/issues/4150"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/semaphore-ui-through-2.19.12-missing-authorization-on-get-and-head-requests"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-09-15T12:17:54.793"}}