{"id":"CVE-2026-45738","sourceIdentifier":"security-advisories@github.com","published":"2026-07-15T20:17:05.057","lastModified":"2026-10-24T21:10:00.130","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"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."},{"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 aplicación 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 sección de URLs de la pestaña Summary como valores de atributo href de anclaje sin validación de URL, permitiendo la ejecución de javascript_disabled: en la sesión de origen autenticada de Argo CD de un usuario con mayores privilegios. Este problema está solucionado en las versiones 3.2.12, 3.3.10 y 3.4.2."}],"affected":[{"source":"security-advisories@github.com","affectedData":[{"vendor":"argoproj","product":"argo-cd","versions":[{"version":"< 3.2.12","status":"affected"},{"version":">= 3.3.0, < 3.3.10","status":"affected"},{"version":">= 3.4.0-rc1, < 3.4.2","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N","baseScore":7.3,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"NONE"},"exploitabilityScore":2.1,"impactScore":5.2},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N","baseScore":8.7,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"NONE"},"exploitabilityScore":2.3,"impactScore":5.8}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-07-16T14:51:03.406825Z","id":"CVE-2026-45738","options":[{"exploitation":"poc"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"security-advisories@github.com","type":"Secondary","description":[{"lang":"en","value":"CWE-79"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:argoproj:argo_cd:*:*:*:*:*:*:*:*","versionEndExcluding":"3.2.12","matchCriteriaId":"0E9E54C0-2E4C-444E-934A-AAF2475AFAAF"},{"vulnerable":true,"criteria":"cpe:2.3:a:argoproj:argo_cd:*:*:*:*:*:*:*:*","versionStartIncluding":"3.3.0","versionEndExcluding":"3.3.10","matchCriteriaId":"055C2E56-09AD-4D88-9267-D08BF5C4ADA4"},{"vulnerable":true,"criteria":"cpe:2.3:a:argoproj:argo_cd:*:*:*:*:*:*:*:*","versionStartIncluding":"3.4.0","versionEndExcluding":"3.4.2","matchCriteriaId":"896AD54E-AC47-40DD-BEC0-337DC0E446DC"}]}]}],"references":[{"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":["Patch"]},{"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":["Release Notes"]},{"url":"https://github.com/argoproj/argo-cd/security/advisories/GHSA-h98r-wv3h-fr38","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"]}]}