Improper Access Control Affecting argo-workflows-3.6 package, versions *


Severity

Recommended
0.0
critical
0
10

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Threat Intelligence

EPSS
0.36% (29th percentile)

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  • Snyk IDSNYK-MINIMOSLATEST-ARGOWORKFLOWS36-18813328
  • published15 Aug 2026
  • disclosed16 Jul 2026

Introduced: 16 Jul 2026

CVE-2026-54526  (opens in a new tab)
CWE-284  (opens in a new tab)

How to fix?

There is no fixed version for Minimos:latest argo-workflows-3.6.

NVD Description

Note: Versions mentioned in the description apply only to the upstream argo-workflows-3.6 package and not the argo-workflows-3.6 package as distributed by Minimos. See How to fix? for Minimos:latest relevant fixed versions and status.

Argo Workflows is an open source container-native workflow engine for orchestrating parallel jobs on Kubernetes. Prior to 3.7.15 and 4.0.6, the allow-list fix for CVE-2026-31892 is incomplete because workflow/util/merge.go ValidateUserOverrides and SanitizeUserWorkflowSpec walk only the top-level fields of WorkflowSpec via reflection, and WorkflowSpec.ArtifactGC is allow-listed wholesale; the struct behind that field, WorkflowLevelArtifactGC, has a PodSpecPatch sub-field whose contents flow unmodified into util.ApplyPodSpecPatch on the artifact-GC pod, the same sink the original fix closed for WorkflowSpec.PodSpecPatch, so a user submitting a Workflow under templateReferencing: Strict or Secure (against a referenced WorkflowTemplate that declares an output artifact and setting spec.artifactGC.strategy: OnWorkflowCompletion) can still inject an arbitrary strategic merge patch into the artifact-GC pod, including hostPath volumes, privileged: true, arbitrary image and command, and hostNetwork: true, defeating the stated purpose of Strict/Secure reference mode. This issue is fixed in versions 3.7.15 and 4.0.6.

CVSS Base Scores

version 3.1