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Cross-site Scripting (XSS) Affecting argo-cd-3.2 package, versions <3.2.12-r0

Severity

 Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.39% (32nd percentile)

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  • Snyk IDSNYK-CHAINGUARDLATEST-ARGOCD32-16783868
  • published21 May 2026
  • disclosed15 Jul 2026
Report a new vulnerability Found a mistake?

Introduced: 21 May 2026

CVE-2026-45738  (opens in a new tab)
CWE-79  (opens in a new tab)

How to fix?

Upgrade Chainguard argo-cd-3.2 to version 3.2.12-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream argo-cd-3.2 package and not the argo-cd-3.2 package as distributed by Chainguard. See How to fix? for Chainguard relevant fixed versions and status.

Argo CD is a declarative, GitOps continuous delivery tool for Kubernetes. Prior to 3.2.12, 3.3.10, and 3.4.2, Argo CD users with application write access can set link.argocd.argoproj.io/* annotations whose pipe-separated values are rendered by ui/src/app/applications/components/application-summary/application-summary.tsx in the Summary tab URLs section as anchor href values without URL validation, allowing javascript: execution in a higher-privileged user's authenticated Argo CD origin session. This issue is fixed in versions 3.2.12, 3.3.10, and 3.4.2.