Is github.com/argoproj/argo-workflows/v4 affected by CVE-2026-42183?

Go github.com/argoproj/argo-workflows/v4 is affected in >=4.0.0 <4.0.5.

Is CVE-2026-42183 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.4%.

low

CVE-2026-42183

Q: Is CVE-2026-42183 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.4%.

Go · github.com/argoproj/argo-workflows/v4

Summary

Argo Affected by SSO RBAC Delegation Nil Pointer Dereference DoS (gatekeeper.go)

Severity: low
EPSS: 0.4% (p29)
Also known as: GHSA-p4gq-3vxj-f4jq, BIT-argo-workflows-2026-42183
Published: 2026-05-04

References

Related advisories

CVE-2026-42295 — high · Go/github.com/argoproj/argo-workflows/v4
CVE-2026-42296 — high · Go/github.com/argoproj/argo-workflows/v4
CVE-2026-42294 — high · Go/github.com/argoproj/argo-workflows/v4
CVE-2026-42297 — high · Go/github.com/argoproj/argo-workflows/v4
CVE-2026-40886 — high · Go/github.com/argoproj/argo-workflows/v4
CVE-2026-28229 — medium · Go/github.com/argoproj/argo-workflows/v4
CVE-2026-31892 — medium · Go/github.com/argoproj/argo-workflows/v4

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Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.