CVE-2026-42880 ArgoCD ServerSideDiff is vulnerable to Kubernetes Secret Extraction

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...

CVE-2026-42880 ArgoCD ServerSideDiff is vulnerable to Kubernetes Secret Extraction

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...

CVE-2026-42880 ArgoCD ServerSideDiff is vulnerable to Kubernetes Secret Extraction

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...

CVE-2026-42880

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...

CVE-2026-42880

CVE-2026-42880 (Argo CD) : A missing authorization/data-masking gap in Argo CD’s ServerSideDiff endpoint allows an attacker with read-only access to extract plaintext Secret data from etcd via the Kubernetes API server’s Server-Side Apply dry-run. Affected versions are 3.2.0–3.2.10 and 3.3.0–3.3....

EUVD-2026-28469

ArgoCD ServerSideDiff is vulnerable to Kubernetes Secret Extraction...

GHSA-3V3M-WC6V-X4X3 ArgoCD ServerSideDiff is vulnerable to Kubernetes Secret Extraction

Summary 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. Details Argo CD masks Secret...

ArgoCD ServerSideDiff is vulnerable to Kubernetes Secret Extraction

Summary 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. Details Argo CD masks Secret...

Argo CD information leakage vulnerability

Argo CD is an open-source tool developed by Argo for Kubernetes, designed for declarative GitOps continuous delivery. Versions of Argo CD prior to 3.2.11 and 3.3.0–3.3.9 contained a vulnerability related to information leakage. This vulnerability stemmed from a lack of authorization and data...

Improper Removal of Sensitive Information Before Storage or Transfer

Overview Affected versions of this package are vulnerable to Improper Removal of Sensitive Information Before Storage or Transfer via the ServerSideDiff process. An attacker can access sensitive Kubernetes Secret data in cleartext by leveraging this process with appropriate permissions. Remediati...

CVE-2026-43824

In Argo CD 3.2.0 before 3.2.11 and 3.3.0 before 3.3.9, ServerSideDiff allows reading cleartext Kubernetes Secret data...

EUVD-2026-26726

In Argo CD 3.2.0 before 3.2.11 and 3.3.0 before 3.3.9, ServerSideDiff allows reading cleartext Kubernetes Secret data...

CVE-2026-43824

In Argo CD 3.2.0 before 3.2.11 and 3.3.0 before 3.3.9, ServerSideDiff allows reading cleartext Kubernetes Secret data...

CVE-2026-43824

In Argo CD versions 3.2.0 to before 3.2.11 and 3.3.0 to before 3.3.9 , a missing authorization and data-masking gap in the ServerSideDiff endpoint allows an attacker with read-only access to extract plaintext Kubernetes Secret data from etcd. The vulnerability stems from the use of the Kubernetes...

CVE-2026-43824

In Argo CD 3.2.0 before 3.2.11 and 3.3.0 before 3.3.9, ServerSideDiff allows reading cleartext Kubernetes Secret data...

PT-2026-36558

Name of the Vulnerable Software and Affected Versions Argo CD versions 3.2.0 through 3.2.10 Argo CD versions 3.3.0 through 3.3.8 Description The 'ServerSideDiff' endpoint allows the disclosure of cleartext Kubernetes Secret data. This occurs when the IncludeMutationWebhook variable is set to true...

Argo CD security vulnerabilities

Argo CD is an open-source tool developed by Argo for Kubernetes, designed for declarative GitOps continuous delivery. There were security vulnerabilities in versions of Argo CD between 3.2.0 and 3.2.11, as well as between 3.3.0 and 3.3.9. These vulnerabilities stemmed from ServerSideDiff allowing...