CVE-2026-28229

CRITICAL

9.8

Description

Argo Workflows is an open source container-native workflow engine for orchestrating parallel jobs on Kubernetes. Prior to 4.0.2 and 3.7.11, Workflow templates endpoints allow any client to retrieve WorkflowTemplates (and ClusterWorkflowTemplates). Any request with a Authorization: Bearer nothing token can leak sensitive template content, including embedded Secret manifests. This vulnerability is fixed in 4.0.2 and 3.7.11.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published3/11/2026

Last Modified3/20/2026

Sourcenvd

Honeypot Sightings0

Affected Products

argoproj:argo_workflows

Weaknesses (CWE)

CWE-863

References

https://github.com/argoproj/argo-workflows/security/advisories/GHSA-56px-hm34-xqj5(security-advisories@github.com)

IOC Correlations

No correlations recorded

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