Relative Path Traversal Affecting github.com/argoproj/argo-workflows/workflow/executor package, versions >=0.0.0
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applicationsSnyk Learn
Learn about Relative Path Traversal vulnerabilities in an interactive lesson.
Start learning- Snyk IDSNYK-GOLANG-GITHUBCOMARGOPROJARGOWORKFLOWSWORKFLOWEXECUTOR-14267859
- published10 Dec 2025
- disclosed9 Dec 2025
- creditCristian-Alexandru STAICU, ph03n1x
Introduced: 9 Dec 2025
NewCVE-2025-66626 (opens in a new tab)Common Vulnerabilities and Exposures (CVE) are common identifiers for publicly known security vulnerabilities
Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
There is no fixed version for github.com/argoproj/argo-workflows/workflow/executor.
Overview
Affected versions of this package are vulnerable to Relative Path Traversal in the untar process. An attacker can execute arbitrary code with elevated privileges by crafting a malicious archive containing symbolic links that overwrite critical files such as /var/run/argo/argoexec, which will be executed at pod startup.
Note:
The patch deployed against CVE-2025-62156 is ineffective against malicious archives containing symbolic links.