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High severityNVD Advisory· Published Dec 9, 2025· Updated Dec 12, 2025

argoproj/argo-workflows is vulnerable to RCE via ZipSlip and symbolic links

CVE-2025-66626

Description

Argo Workflows is an open source container-native workflow engine for orchestrating parallel jobs on Kubernetes. Versions 3.6.13 and below and versions 3.7.0 through 3.7.4, contain unsafe untar code that handles symbolic links in archives. Concretely, the computation of a link's target and the subsequent check are flawed. An attacker can overwrite the file /var/run/argo/argoexec with a script of their choice, which would be executed at the pod's start. The patch deployed against CVE-2025-62156 is ineffective against malicious archives containing symbolic links. This issue is fixed in versions 3.6.14 and 3.7.5.

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Affected packages

Versions sourced from the GitHub Security Advisory.

PackageAffected versionsPatched versions
github.com/argoproj/argo-workflows/v3Go
>= 3.7.0, < 3.7.53.7.5
github.com/argoproj/argo-workflows/v3Go
< 3.6.143.6.14
github.com/argoproj/argo-workflowsGo
<= 2.5.3-rc4—

Affected products

38

Patches

Vulnerability mechanics

References

6

News mentions

0

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