CVE-2026-42880
Fixed in a distro release EPSS <1%CVSS 9.6
Argo CD is a declarative, GitOps continuous delivery tool for Kubernetes. From versions 3.2.0 to before 3.2.11 and 3.3.0 to before 3.3.9, there is a missing authorization and data-masking gap in Argo CD's ServerSideDiff endpoint that allows an attacker with read-only access to extract plaintext Kubernetes Secret data from etcd via the Kubernetes API server's Server-Side Apply dry-run mechanism. This issue has been patched in versions 3.2.11 and 3.3.9.
Products: argoproj argo-cd, Red Hat OpenShift GitOps 1.19, Red Hat OpenShift GitOps 1.20, Red Hat Openshift Data Foundation 4, Red Hat OpenShift GitOps
Fixed upstream
| Ecosystem | Package | Fixed in |
|---|---|---|
| Go | github.com/argoproj/argo-cd | no fix |
| Go | github.com/argoproj/argo-cd/v2 | no fix |
| Go | github.com/argoproj/argo-cd/v3 | 3.2.11 |
| Go | github.com/argoproj/argo-cd/v3 | 3.3.9 |
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Chainguard | argocd-image-updater | 1.2.0-r1 |
| Chainguard | argocd-image-updater-fips | 1.2.0-r1 |
| Wolfi | argocd-image-updater | 1.2.0-r1 |
| openSUSE Leap 16.0 | govulncheck-vulndb | 0.0.20260723T184607-160000.1.1 |