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Missing Authorization

CVE-2026-42297

High
8.5/10

Summary

The Sync Service's ConfigMap-backed provider `server/sync/sync_cm.go` performs zero authorization checks on all CRUD operations (create, read, update, delete). Any authenticated user -- including those using fake Bearer tokens can create, read, update, and delete Kubernetes ConfigMaps containing synchronization limits. This issue affects Argo Workflows versions from 4.0.0 prior to 4.0.5.

  • LOW
  • NETWORK
  • HIGH
  • UNCHANGED
  • NONE
  • LOW
  • LOW
  • HIGH

CWE-862 - Missing Authorization

The missing authorization vulnerability occurs when a software program allows users to access privileged parts of the program without verifying the user credentials. Impact of such a vulnerability depends on the resources employed by the software, ranging from account takeover to sensitive information exposure, denial of service, and complete system takeover.

References

Advisory Timeline

  • Published