Resource exhaustion in Argoproj Argo-workflows
CVE-2026-42294
Argo Workflows is an open source container-native workflow engine for orchestrating parallel jobs on Kubernetes. Prior to versions 3.7.14 and 4.0.5, the Webhook Interceptor loads the entire request body into memory before authenticating th…
EPSS: 0.001 (17.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Argoproj Argo-workflows — versions < 3.7.14, >= 4.0.0, < 4.0.5
- Argoproj Argo_workflows
Weakness classification (CWE)
References
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC, Release Notes)
- 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-2026-42294?
- CVE-2026-42294 is a high-severity vulnerability in Argoproj Argo-workflows, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2026-05-09.
- How severe is CVE-2026-42294?
- High severity. CVSS v3 base score is 7.5 out of 10.