High severity8.3GHSA Advisory· Published May 9, 2026· Updated May 15, 2026
CVE-2026-42297
CVE-2026-42297
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.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
github.com/argoproj/argo-workflows/v4Go | >= 4.0.0, < 4.0.5 | 4.0.5 |
Affected products
4>= 4.0.0, < 4.0.5+ 1 more
- (no CPE)range: >= 4.0.0, < 4.0.5
- cpe:2.3:a:argoproj:argo_workflows:*:*:*:*:*:go:*:*range: >=4.0.0,<4.0.5
- osv-coords2 versions
>= 4.0.0, < 4.0.5+ 1 more
- (no CPE)range: >= 4.0.0, < 4.0.5
- (no CPE)range: >= 4.0.0, < 4.0.5
Patches
Vulnerability mechanics
References
5- github.com/argoproj/argo-workflows/commit/09fff05e0830c14a5e36cc40597ad84881db1ab6nvdPatchWEB
- github.com/argoproj/argo-workflows/security/advisories/GHSA-xchc-cqwg-g76qnvdExploitVendor AdvisoryWEB
- github.com/advisories/GHSA-xchc-cqwg-g76qghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-42297ghsaADVISORY
- github.com/argoproj/argo-workflows/releases/tag/v4.0.5nvdRelease NotesWEB
News mentions
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