CVE-2024-47827: Argo Workflows Controller: Denial of Service via malicious daemon Workflows

Severity: medium (CVSS 4.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-10-28 · updated 2026-06-17
Weakness: CWE-362

Description

Argo Workflows is an open source container-native workflow engine for orchestrating parallel jobs on Kubernetes. Due to a race condition in a global variable in 3.6.0-rc1, the argo workflows controller can be made to crash on-command by any user with access to execute a workflow. This vulnerability is fixed in 3.6.0-rc2.

Affected products

argoproj argo-workflows: 3.6.0-rc1

References

https://github.com/argoproj/argo-workflows/blob/ce7f9bfb9b45f009b3e85fabe5e6410de23c7c5f/workflow/metrics/metrics_k8s_request.go#L75
https://github.com/argoproj/argo-workflows/commit/524406451f4dfa57bf3371fb85becdb56a2b309a
https://github.com/argoproj/argo-workflows/pull/13641
https://github.com/argoproj/argo-workflows/security/advisories/GHSA-ghjw-32xw-ffwr

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