High severity8.3GHSA Advisory· Published May 9, 2026· Updated Jul 24, 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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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
32>= 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-coords30 versionspkg:apk/chainguard/argo-workflow-controller-3.6pkg:apk/chainguard/argo-workflow-controller-3.7pkg:apk/chainguard/argo-workflow-controller-fips-3.6pkg:apk/chainguard/argo-workflow-controller-fips-3.7pkg:apk/chainguard/argo-workflow-executor-3.6pkg:apk/chainguard/argo-workflow-executor-3.7pkg:apk/chainguard/argo-workflow-executor-fips-3.6pkg:apk/chainguard/argo-workflow-executor-fips-3.7pkg:apk/chainguard/argo-workflows-3.6pkg:apk/chainguard/argo-workflows-3.7pkg:apk/chainguard/argo-workflows-fips-3.6pkg:apk/chainguard/argo-workflows-fips-3.7pkg:apk/chainguard/kfp-driverpkg:apk/chainguard/kubeflow-pipelines-apiserverpkg:apk/chainguard/kubeflow-pipelines-cache_serverpkg:apk/chainguard/kubeflow-pipelines-driver-fipspkg:apk/chainguard/kubeflow-pipelines-fips-launcher-v2pkg:apk/chainguard/kubeflow-pipelines-launcher-v2pkg:apk/chainguard/kubeflow-pipelines-persistence_agentpkg:apk/chainguard/kubeflow-pipelines-scheduledworkflowpkg:apk/wolfi/argo-workflow-controller-3.7pkg:apk/wolfi/argo-workflow-executor-3.7pkg:apk/wolfi/argo-workflows-3.7pkg:apk/wolfi/kubeflow-pipelines-apiserverpkg:apk/wolfi/kubeflow-pipelines-cache_serverpkg:apk/wolfi/kubeflow-pipelines-persistence_agentpkg:apk/wolfi/kubeflow-pipelines-scheduledworkflowpkg:bitnami/argo-workflowspkg:golang/github.com/argoproj/argo-workflows/v4pkg:rpm/opensuse/govulncheck-vulndb&distro=openSUSE%20Leap%2016.0
< 3.6.19-r6+ 29 more
- (no CPE)range: < 3.6.19-r6
- (no CPE)range: < 3.7.15-r2
- (no CPE)range: < 3.6.19-r10
- (no CPE)range: < 3.7.15-r3
- (no CPE)range: < 3.6.19-r6
- (no CPE)range: < 3.7.15-r2
- (no CPE)range: < 3.6.19-r10
- (no CPE)range: < 3.7.15-r3
- (no CPE)range: < 3.6.19-r6
- (no CPE)range: < 3.7.15-r2
- (no CPE)range: < 3.6.19-r10
- (no CPE)range: < 3.7.15-r3
- (no CPE)range: < 2.16.1-r15
- (no CPE)range: < 2.16.1-r15
- (no CPE)range: < 2.16.1-r15
- (no CPE)range: < 2.16.1-r2
- (no CPE)range: < 2.16.1-r1
- (no CPE)range: < 2.16.1-r15
- (no CPE)range: < 2.16.1-r15
- (no CPE)range: < 2.16.1-r15
- (no CPE)range: < 3.7.15-r2
- (no CPE)range: < 3.7.15-r2
- (no CPE)range: < 3.7.15-r2
- (no CPE)range: < 2.16.1-r15
- (no CPE)range: < 2.16.1-r15
- (no CPE)range: < 2.16.1-r15
- (no CPE)range: < 2.16.1-r15
- (no CPE)range: >= 4.0.0, < 4.0.5
- (no CPE)range: >= 4.0.0, < 4.0.5
- (no CPE)range: < 0.0.20260723T184607-160000.1.1
Patches
Vulnerability mechanics
References
8- 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
- access.redhat.com/security/cve/CVE-2026-42297nvd
- bugzilla.redhat.com/show_bug.cginvd
- security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-42297.jsonnvd
News mentions
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