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.
{
"cna_assigner": "GitHub_M",
"cwe_ids": [
"CWE-862"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/42xxx/CVE-2026-42297.json"
}{
"extracted_events": [
{
"cpe": "cpe:2.3:a:argoproj:argo_workflows:*:*:*:*:*:go:*:*",
"range": [
{
"introduced": "4.0.0"
},
{
"fixed": "4.0.5"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "09fff05e0830c14a5e36cc40597ad84881db1ab6"
}
],
"source": "REFERENCES_COMMIT"
},
{
"original_tag": "v4.0.5",
"range": [
{
"fixed": "0ab1452144d8f4d57c50b37ce50dad218868e950"
}
],
"source": "REFERENCES_TAG"
}
]
}