CVE-2025-62156: GO-2025-4023 - Argo Workflow has a Zipslip Vulnerability in github.com/argoproj/argo-workflows

CVE-2025-62156 · Severity: high · CVSS 8.1 · Published 2025-10-14

Argo Workflows is an open source container-native workflow engine for orchestrating parallel jobs on Kubernetes. Versions prior to 3.6.12 and versions 3.7.0 through 3.7.2 contain a Zip Slip path traversal vulnerability in artifact extraction. During artifact extraction the unpack/untar logic (workflow/executor/executor.go) uses filepath.Join(dest, filepath.Clean(header.Name)) without validating that header.Name stays within the intended extraction directory. A malicious archive entry can supply a traversal or absolute path that, after cleaning, overrides the destination directory and causes files to be written outside the /work/tmp extraction path and into system directories such as /etc inside the container. The vulnerability enables arbitrary file creation or overwrite in system configuration locations (for example /etc/passwd, /etc/hosts, /etc/crontab), which can lead to privilege escalation or persistence within the affected container. Update to 3.6.12 or 3.7.3 to remediate the issue.

Technologies: github.com/argoproj/argo-workflows (Go), github.com/argoproj/argo-workflows/v2 (Go), github.com/argoproj/argo-workflows/v3 (Go). Vendors: Go.

Quick answers

Is CVE-2025-62156 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2025-62156 being exploited in the wild.
How severe is CVE-2025-62156?
High severity, with a CVSS score of 8.1, published 14 October 2025.
Which products and versions are affected?
github.com/argoproj/argo-workflows (Go) SEMVER:introduced=0; github.com/argoproj/argo-workflows/v2 (Go) SEMVER:introduced=0; github.com/argoproj/argo-workflows/v3 (Go) SEMVER:introduced=0,fixed=3.6.12, SEMVER:introduced=0,fixed=3.6.12,introduced=3.7.0,fixed=3.7.3.
Is there a fix for CVE-2025-62156?
Yes. github.com/argoproj/argo-workflows/v3 (Go): upgrade to 3.6.12, 3.7.3 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2025-62156?
Check whether you run github.com/argoproj/argo-workflows (Go), github.com/argoproj/argo-workflows/v2 (Go) or github.com/argoproj/argo-workflows/v3 (Go) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • github.com/argoproj/argo-workflows/v3 (Go): upgrade to 3.6.12, 3.7.3 or later
    go get github.com/argoproj/argo-workflows/v3@v3.7.3

Affected products

  • github.com/argoproj/argo-workflows (Go) SEMVER:introduced=0
  • github.com/argoproj/argo-workflows/v2 (Go) SEMVER:introduced=0
  • github.com/argoproj/argo-workflows/v3 (Go) SEMVER:introduced=0,fixed=3.6.12, SEMVER:introduced=0,fixed=3.6.12,introduced=3.7.0,fixed=3.7.3

Identifiers

  • CVE-2025-62156
  • GHSA-p84v-gxvw-73pf
  • GO-2025-4023

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