Auth bypass in Argoproj Argo-workflows

CVE-2026-31892

Argo Workflows is an open source container-native workflow engine for orchestrating parallel jobs on Kubernetes. From 2.9.0 to before 4.0.2 and 3.7.11, A user who can submit Workflows can completely bypass all security settings defined in…

Vulnerability class: Broken Access Control

EPSS: 0.004 (33.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-31892?
CVE-2026-31892 is a high-severity vulnerability in Argoproj Argo-workflows, classified under Incorrect Authorization. CVSS score: 8.1/10. Published 2026-03-11.
How severe is CVE-2026-31892?
High severity. CVSS v3 base score is 8.1 out of 10.