CVE-2026-42295

Description

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.

CVSS v3.1 Score

4.9

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

EPSS — Exploit Prediction

0.0004

Probability of exploitation

0.13%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-522 CWE-522

Affected Products

Vendor	Product	Versions
argoproj	argo_workflows	4.0.0 — 4.0.5

References

Advisories & Patches

https://github.com/argoproj/argo-workflows/security/advisories/GHSA-7vf8-2cr6-54mf https://github.com/argoproj/argo-workflows/security/advisories/GHSA-7vf8-2cr6-54mf

Exploits

https://github.com/argoproj/argo-workflows/security/advisories/GHSA-7vf8-2cr6-54mf https://github.com/argoproj/argo-workflows/security/advisories/GHSA-7vf8-2cr6-54mf

Other References

https://github.com/argoproj/argo-workflows/releases/tag/v4.0.5

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 4.9 (MEDIUM).

How severe is CVE-2026-42295? +

CVE-2026-42295 has a CVSS v3.1 score of 4.9 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0004, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-42295? +

CVE-2026-42295 affects products from argoproj, specifically: argo_workflows. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-42295? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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