User enumeration In github.com/argoproj/argo-cd

Description

Observable Discrepancy in Argo 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.

Specific Go Packages Affected

github.com/argoproj/argo-cd/util/session github.com/argoproj/argo-cd/server/session

Mitigation

Update Impact

Minimal update. May introduce new vulnerabilities or breaking changes.

Ecosystem
Package
Affected version
Patched versions