Vulnerability in Argoproj Argo-Workflows
CVE-2026-42295
Argo Workflows is an open source container-native workflow engine for orchestrating parallel jobs on Kubernetes. From version 4.0.0 to before version 4.0.5, the workflow executor logs all artifact repository credentials (S3 access keys, secret keys, GCS service account keys, Azure account keys, Git passwords, etc.) in plaintext on artifact operation. Any user with read access to workflow pod logs can extract these credentials. This issue has been patched in version 4.0.5.
EPSS: 0.004 (28.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Argoproj Argo-workflows — versions >= 4.0.0, < 4.0.5
- Argoproj Argo_workflows
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_MISC, Release Notes)
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-42295?
- CVE-2026-42295 is a medium-severity vulnerability in Argoproj Argo-Workflows, classified under Insufficiently Protected Credentials. CVSS score: 4.9/10. Published 2026-05-09.
- How severe is CVE-2026-42295?
- Medium severity. CVSS v3 base score is 4.9 out of 10.