CVE-2025-66626

8.1 HIGH
Published: December 09, 2025 Modified: December 19, 2025

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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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://github.com/advisories/GHSA-p84v-gxvw-73pf
Source: security-advisories@github.com
Not Applicable
https://github.com/argoproj/argo-workflows/security/advisories/GHSA-xrqc-7xgx-c9vh
Source: security-advisories@github.com
Exploit Vendor Advisory
https://github.com/advisories/GHSA-p84v-gxvw-73pf
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Not Applicable
https://github.com/argoproj/argo-workflows/security/advisories/GHSA-xrqc-7xgx-c9vh
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Exploit Vendor Advisory

6 reference(s) from NVD

Quick Stats

CVSS v3 Score
8.1 / 10.0
EPSS (Exploit Probability)
0.1%
21th percentile
Exploitation Status
Not in CISA KEV

Affected Vendors

argoproj