CVE-2026-42297
Argo Workflows Is Missing Authorization in Sync ConfigMap Provider
CVSS Score
8.3
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-862 |
| Vendor | argoproj |
| Product | argo-workflows |
| Published | May 9, 2026 |
| Last Updated | Jul 15, 2026 |
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Affected Versions
argoproj / argo-workflows
>= 4.0.0, < 4.0.5
References
github.com: https://github.com/argoproj/argo-workflows/security/advisories/GHSA-xchc-cqwg-g76q github.com: https://github.com/argoproj/argo-workflows/commit/09fff05e0830c14a5e36cc40597ad84881db1ab6 github.com: https://github.com/argoproj/argo-workflows/releases/tag/v4.0.5 access.redhat.com: https://access.redhat.com/security/cve/CVE-2026-42297 bugzilla.redhat.com: https://bugzilla.redhat.com/show_bug.cgi?id=2468448 security.access.redhat.com: https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-42297.json