{"id":"CVE-2026-45738","title":"Argo CD is a declarative, GitOps continuous delivery tool for Kubernetes","summary":"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 rende…","severity":"high","cvss":7.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N","cwe":["CWE-79"],"vendor":"argoproj","product":"argo_cd","affected":["argo_cd < 3.2.12","argo_cd >= 3.3.0, < 3.3.10","argo_cd >= 3.4.0, < 3.4.2"],"patched":["argo_cd 3.4.2"],"published":"2026-07-15","updated":"2026-07-20","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-45738","references":[{"url":"https://github.com/argoproj/argo-cd/commit/00f83c41dcfd879f34f8e0248c860d704b41cf0f","label":"security-advisories@github.com"},{"url":"https://github.com/argoproj/argo-cd/commit/35ea43c537d6e8948e67f347317fc4f88b325122","label":"security-advisories@github.com"},{"url":"https://github.com/argoproj/argo-cd/commit/c8df5ff7acc403adcee1256da5d87081cd52f0a6","label":"security-advisories@github.com"},{"url":"https://github.com/argoproj/argo-cd/releases/tag/v3.2.12","label":"security-advisories@github.com"},{"url":"https://github.com/argoproj/argo-cd/releases/tag/v3.3.10","label":"security-advisories@github.com"},{"url":"https://github.com/argoproj/argo-cd/releases/tag/v3.4.2","label":"security-advisories@github.com"},{"url":"https://github.com/argoproj/argo-cd/security/advisories/GHSA-h98r-wv3h-fr38","label":"security-advisories@github.com"},{"url":"https://github.com/argoproj/argo-cd/security/advisories/GHSA-h98r-wv3h-fr38","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd"],"epss":0.00606,"epssPercentile":0.46693,"ingestedAt":"2026-07-20T02:36:03.123Z","slug":"CVE-2026-45738","body":"## Overview\n\nArgo 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.\n\n## Affected\n\n- `argo_cd < 3.2.12`\n- `argo_cd >= 3.3.0, < 3.3.10`\n- `argo_cd >= 3.4.0, < 3.4.2`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `argo_cd 3.4.2`","depth":"twilight","depthScore":40,"depthScoreParts":{"impact":40.2,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}