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 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.
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:argoproj:argo_cd:*:*:*:*:*:*:*:*
cpe:2.3:a:argoproj:argo_cd:*:*:*:*:*:*:*:*

History

11 May 2026, 17:46

Type Values Removed Values Added
First Time Argoproj
Argoproj argo Cd
CPE cpe:2.3:a:argoproj:argo_cd:*:*:*:*:*:*:*:*
References () https://github.com/argoproj/argo-cd/security/advisories/GHSA-3v3m-wc6v-x4x3 - () https://github.com/argoproj/argo-cd/security/advisories/GHSA-3v3m-wc6v-x4x3 - Exploit, Vendor Advisory

08 May 2026, 14:16

Type Values Removed Values Added
References () https://github.com/argoproj/argo-cd/security/advisories/GHSA-3v3m-wc6v-x4x3 - () https://github.com/argoproj/argo-cd/security/advisories/GHSA-3v3m-wc6v-x4x3 -

07 May 2026, 23:16

Type Values Removed Values Added
New CVE

Information

Published : 2026-05-07 23:16

Updated : 2026-05-11 17:46


NVD link : CVE-2026-42880

Mitre link : CVE-2026-42880

CVE.ORG link : CVE-2026-42880


JSON object : View

Products Affected

argoproj

  • argo_cd
CWE
CWE-200

Exposure of Sensitive Information to an Unauthorized Actor

CWE-212

Improper Removal of Sensitive Information Before Storage or Transfer