A Cross-Site Request Forgery issue was discovered in OSIsoft PI Web API versions prior to 2017 (1.9.0). The vulnerability allows cross-site request forgery (CSRF) attacks to occur when an otherwise-unauthorized cross-site request is sent from a browser the server has previously authenticated.
Severity
CVSS 3.0
8.8 high
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
0.8% chance of exploitation in the next 30 days; higher than 57% of CVEs (scores of 2026-10-31)