Improper Authorization Vulnerability in Cisco Evolved Programmable Network Manager

CVE-2026-20155

What is CVE-2026-20155?

A vulnerability exists in the web-based management interface of Cisco Evolved Programmable Network Manager that allows an authenticated, remote attacker with low privileges to exploit improper authorization checks on a REST API endpoint. By querying the affected endpoint, the attacker could gain access to sensitive session information of active Cisco EPNM users, including those with administrative privileges, potentially leading to unauthorized control over the affected device.

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