Description
Argo Workflows is an open source container-native workflow engine for orchestrating parallel jobs on Kubernetes. From version 4.0.0 to before version 4.0.5, 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 has been patched in version 4.0.5.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
argoproj argo-workflows
>= 4.0.0, < 4.0.5affected
References
- https://github.com/argoproj/argo-workflows/security/advisories/GHSA-xchc-cqwg-g76q ↗
- https://github.com/argoproj/argo-workflows/commit/09fff05e0830c14a5e36cc40597ad84881db1ab6 ↗
- https://github.com/argoproj/argo-workflows/releases/tag/v4.0.5 ↗
- https://access.redhat.com/security/cve/CVE-2026-42297 ↗
- https://bugzilla.redhat.com/show_bug.cgi?id=2468448 ↗
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-42297.json ↗