Review reviewHigh

CVE-2026-45738

argoproj argo-cd, argo cd

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.

CVSS: 8.7
EPSS: 0.39%
CISA KEV: Not listed
Published: 2026.07.16

PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV

Exploit probability0.39%

Technical severityCVSS 8.7

Vulnerability overview

Affected product and versions

Product: argoproj argo-cd, argo cd
Affected versions: >= < 3.2.12, >= >= 3.3.0, < 3.3.10, >= >= 3.4.0-rc1, < 3.4.2, < 3.2.12, >= 3.3.0 < 3.3.10, >= 3.4.0 < 3.4.2
Fixed versions: 3.2.12, 3.3.10, 3.4.2

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide

1
Identify
Confirm that argoproj argo-cd, argo cd and an affected version are present.
2
Prioritize
Combine exploitation signals with asset exposure and business criticality.
3
Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
4
Verify
Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
CWE: CWE-79