CVE-2020-11576: Argoproj Argo Cd

Medium severity, CVSS 5.3. EPSS: 2% chance of exploitation in the next 30 days.

Fixed in v1.5.1, Argo version v1.5.0 was vulnerable to a user-enumeration vulnerability which allowed attackers to determine the usernames of valid (non-SSO) accounts because /api/v1/session returned 401 for an existing username and 404 otherwise.

Affected products

Published 2020-04-08. Last modified 2026-06-17.