CVE-2026-45738

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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."}, {"lang": "es", "value": "Argo CD es una herramienta de entrega continua declarativa, GitOps, para Kubernetes. Antes de las versiones 3.2.12, 3.3.10 y 3.4.2, los usuarios de Argo CD con acceso de escritura a la aplicaci\u00f3n pueden establecer anotaciones link.argocd.argoproj.io/* cuyos valores separados por barras verticales son renderizados por ui/src/app/applications/components/application-summary/application-summary.tsx en la secci\u00f3n de URLs de la pesta\u00f1a Summary como valores de atributo href de anclaje sin validaci\u00f3n de URL, permitiendo la ejecuci\u00f3n de javascript_disabled: en la sesi\u00f3n de origen autenticada de Argo CD de un usuario con mayores privilegios. Este problema est\u00e1 solucionado en las versiones 3.2.12, 3.3.10 y 3.4.2."}], "id": "CVE-2026-45738", "lastModified": "2026-10-24T21:10:00.130", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.3, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.1, "impactScore": 5.2, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.7, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.3, "impactScore": 5.8, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-45738", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-07-16T14:51:03.406825Z", "version": "2.0.3"}}]}, "published": "2026-07-15T20:17:05.057", "references": [{"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/argoproj/argo-cd/commit/00f83c41dcfd879f34f8e0248c860d704b41cf0f"}, {"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/argoproj/argo-cd/commit/35ea43c537d6e8948e67f347317fc4f88b325122"}, {"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/argoproj/argo-cd/commit/c8df5ff7acc403adcee1256da5d87081cd52f0a6"}, {"source": "security-advisories@github.com", "tags": ["Release Notes"], "url": "https://github.com/argoproj/argo-cd/releases/tag/v3.2.12"}, {"source": "security-advisories@github.com", "tags": ["Release Notes"], "url": "https://github.com/argoproj/argo-cd/releases/tag/v3.3.10"}, {"source": "security-advisories@github.com", "tags": ["Release Notes"], "url": "https://github.com/argoproj/argo-cd/releases/tag/v3.4.2"}, {"source": "security-advisories@github.com", "tags": ["Exploit", "Vendor Advisory"], "url": "https://github.com/argoproj/argo-cd/security/advisories/GHSA-h98r-wv3h-fr38"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["Exploit", "Vendor Advisory"], "url": "https://github.com/argoproj/argo-cd/security/advisories/GHSA-h98r-wv3h-fr38"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

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