This vulnerability affects Argo CD, a widely used Kubernetes continuous delivery tool. The ServerSideDiff functionality fails to properly restrict access to cleartext Kubernetes Secret data, allowing unauthorized actors to read sensitive stored information. Exposed secrets can lead to full cluster compromise if abused by attackers.
Remediation
Upgrade Argo CD to the official patched versions: 3.2.11 or later for the 3.2.x branch, and 3.3.9 or later for the 3.3.x branch. If immediate upgrade is not possible, restrict access to the ServerSideDiff feature to only trusted privileged users.
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