{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-05-18T06:19:24.361","vulnerabilities":[{"cve":{"id":"CVE-2026-21877","sourceIdentifier":"security-advisories@github.com","published":"2026-01-08T01:15:55.697","lastModified":"2026-01-20T15:08:24.850","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"n8n is an open source workflow automation platform. In versions 0.121.2 and below, an authenticated attacker may be able to execute malicious code using the n8n service. This could result in full compromise and can impact both self-hosted and n8n Cloud instances. This issue is fixed in version 1.121.3. Administrators can reduce exposure by disabling the Git node and limiting access for untrusted users, but upgrading to the latest version is recommended."},{"lang":"es","value":"n8n es una plataforma de automatización de flujos de trabajo de código abierto. En las versiones 0.121.2 e inferiores, un atacante autenticado podría ejecutar código malicioso utilizando el servicio n8n. Esto podría resultar en un compromiso total y puede impactar tanto las instancias autoalojadas como las de n8n Cloud. Este problema está solucionado en la versión 1.121.3. Los administradores pueden reducir la exposición deshabilitando el nodo Git y limitando el acceso a usuarios no confiables, pero se recomienda actualizar a la última versión."}],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","baseScore":9.9,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":3.1,"impactScore":6.0}]},"weaknesses":[{"source":"security-advisories@github.com","type":"Primary","description":[{"lang":"en","value":"CWE-94"},{"lang":"en","value":"CWE-434"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:n8n:n8n:*:*:*:*:*:node.js:*:*","versionStartIncluding":"0.123.0","versionEndExcluding":"1.121.3","matchCriteriaId":"ECD7E4E7-DB69-4A3C-B8AE-655D0081624D"}]}]}],"references":[{"url":"https://github.com/n8n-io/n8n/commit/f4b009d00d1f4ba9359b8e8f1c071e3d910a55f6","source":"security-advisories@github.com","tags":["Patch"]},{"url":"https://github.com/n8n-io/n8n/security/advisories/GHSA-v364-rw7m-3263","source":"security-advisories@github.com","tags":["Vendor Advisory"]}]}}]}