Critical (9.4) in openautomationsoftware oas platform. EPSS 38% chance of exploitation in the next 30 days.
An improper authentication vulnerability exists in the REST API functionality of Open Automation Software OAS Platform V16.00.0121. A specially-crafted series of HTTP requests can lead to unauthenticated use of the REST API. An attacker can send a series of HTTP requests to trigger this vulnerability.
Severity
CVSS 3.1
9.4 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H
EPSS
38% chance of exploitation in the next 30 days; higher than 98% of CVEs (scores of 2026-10-31)