CVE-2025-66626
Argo Workflows is an open source container-native workflow engine for orchestrating parallel jobs on Kubernetes.
Published Dec 9, 2025 · updated Oct 14, 2026 · argoproj argo workflows
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.
Timeline
Detection, updates, and resolution for this record.
Dec 9, 2025 · NIST NVD
Detected
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 t
Oct 14, 2026 · NIST NVD
Updated
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 t
Affected
- cpe argoproj/argo workflowsversion unspecified
Sources
- CVE.orgCVE-2025-66626
Official CVE identifier
cve.org - FIRST EPSSCVE-2025-66626
30-day exploitation probability 0.7%
first.org - NIST NVDCVE-2025-66626
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
nvd.nist.gov