Disclosure
Cisco Evolved Programmable Network Manager Improper Authorization Vulnerability
CVE: CVE-2026-20155
PT ID: PT-2026-29562
Vendor: Cisco
Product: Cisco Evolved Programmable Network Manager (EPNM)
CVSS: 8.0
Credits: n/a
Description:
A vulnerability in the web-based management interface of Cisco Evolved Programmable Network Manager (EPNM) could allow an authenticated, remote attacker with low privileges to access sensitive information that they are not authorized to access.
This vulnerability is due to improper authorization checks on a REST API endpoint of an affected device. An attacker could exploit this vulnerability by querying the affected endpoint. A successful exploit could allow the attacker to view session information of active Cisco EPNM users, including users with administrative privileges, which could result in the affected device being compromised.
References:
• https://dbugs.ptsecurity.com/vulnerability/CVE-2026-20155
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-epnm-improp-auth-mUwFWUU3
#dbugs_vuln
Post summary
A newly disclosed vulnerability (CVE‑2026‑20155) in Cisco EPNM’s web interface allows authenticated low‑privilege users to access sensitive session data; the issue is described with CVSS 8.0, but no PoC, exploit, patch, or active exploitation evidence is mentioned.
