Critical (9.1) in cisco umbrella. EPSS 1.1% chance of exploitation in the next 30 days.
A vulnerability in the Cisco Umbrella API could allow an authenticated, remote attacker to view and modify data across their organization and other organizations. The vulnerability is due to insufficient authentication configurations for the API interface of Cisco Umbrella. An attacker could exploit this vulnerability to view and potentially modify data for their organization or other organizations. A successful exploit could allow the attacker to read or modify data across multiple organizations.
Severity
CVSS 3.0
9.1 critical
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:H
EPSS
1.1% chance of exploitation in the next 30 days; higher than 65% of CVEs (scores of 2026-10-31)