CVE-2026-42297
Last modified
CVE-2026-42297 is a high-severity vulnerability rated 8.3/10 on the CVSS scale. 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). EPSS estimates a 0.52% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:H/SC:N/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Argoproj | Argo Workflows | >= 4.0.0, < 4.0.5 |
References
- https://github.com/argoproj/argo-workflows/security/advisories/GHSA-xchc-cqwg-g76qExploit, Vendor Advisory
- https://github.com/argoproj/argo-workflows/security/advisories/GHSA-xchc-cqwg-g76qExploit, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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