High [CVE-2026-42880] Information disclosure of Kubernetes Secret data via Server-Side Apply dry-run mechanism
This high-severity Red Hat Linux advisory covers CVE-2026-42880 affecting Red Hat OpenShift GitOps 1.19, Red Hat OpenShift GitOps 1.20, Red Hat Openshift Data Foundation 4.
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Summary
Information disclosure of Kubernetes Secret data via Server-Side Apply dry-run mechanism. Red Hat rates this important (CVSS 7.7).
Weakness: CWE-201. Affected package(s): openshift-gitops.
Resolved in Red Hat advisory RHSA-2026:20943 — update the affected packages (`sudo dnf update`).
Affected products named by the advisory: Red Hat OpenShift GitOps 1.19; Red Hat OpenShift GitOps 1.20; Red Hat Openshift Data Foundation 4.
- openshift-gitops-1/gitops-rhel9-operator:1779284685
- openshift-gitops-1/argocd-image-updater-rhel9:1779285074
- openshift-gitops-1/argocd-rhel9:1776942799
- openshift-gitops-1/argocd-agent-rhel9:1779285564
- openshift-gitops-1/argocd-image-updater-rhel8:1779211412
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
- RHSA-2026:20943
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Mitigation checklist
- Update the affected package(s) to the fixed version shipped in RHSA-2026:20943 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
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