REDHAT-BUG-2467882: High severity Argo CD Argo CD vulnerability

Published May 7, 2026
·
Updated

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.

Affected Software

1 affected component
Argo CD Argo CD>=3.2.0<3.2.11, >=3.3.0<3.3.9

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade argoproj/argo-cd to a version that resolves this vulnerability.

    Fixed in 3.2.11
  2. Upgrade

    Upgrade argoproj/argo-cd to a version that resolves this vulnerability.

    Fixed in 3.3.9

Event History

May 7, 2026
Data Sourced
via Red Hat·11:01 PM
DescriptionSeverityAffected Software

Frequently Asked Questions

1

What is the severity of REDHAT-BUG-2467882?

The severity of REDHAT-BUG-2467882 is classified as high, with a score of 7.

2

How do I fix REDHAT-BUG-2467882?

To remediate REDHAT-BUG-2467882, upgrade Argo CD to version 3.2.11 or later for the 3.2.x series, and to version 3.3.9 or later for the 3.3.x series.

3

What versions of Argo CD are affected by REDHAT-BUG-2467882?

REDHAT-BUG-2467882 affects Argo CD versions from 3.2.0 to before 3.2.11 and from 3.3.0 to before 3.3.9.

4

What type of vulnerability is REDHAT-BUG-2467882?

REDHAT-BUG-2467882 is classified as a missing authorization and data-masking vulnerability within the ServerSideDiff endpoint of Argo CD.

5

What kind of access is required for exploitation of REDHAT-BUG-2467882?

An attacker with read-only access can exploit REDHAT-BUG-2467882 to extract plaintext Kubernetes secrets.

Contact

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