CVE-2026-21575

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{"affected": [{"affectedData": [{"product": "Sourcetree for Mac", "vendor": "Atlassian", "versions": [{"status": "affected", "version": "All versions from 3.4.11 to 3.4.12 inclusive"}, {"status": "unaffected", "version": "All versions from 3.4.13"}]}], "source": "security@atlassian.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:atlassian:sourcetree:*:*:*:*:*:macos:*:*", "matchCriteriaId": "6C25407E-198E-43D6-A752-463CE72E4421", "versionEndExcluding": "3.4.13", "versionStartIncluding": "3.4.11", "vulnerable": true}, {"criteria": "cpe:2.3:a:atlassian:sourcetree:*:*:*:*:*:windows:*:*", "matchCriteriaId": "1A3303E7-2F00-4469-91F0-F39DBE138B1F", "versionEndExcluding": "3.4.13", "versionStartIncluding": "3.4.11", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "This High severity RCE (Remote Code Execution) vulnerability was introduced in version 3.4.11 of Sourcetree for Mac and Sourcetree for Windows. \n\t\n\tThis RCE (Remote Code Execution) vulnerability, with a CVSS Score of 7.1, allows an authenticated attacker to execute arbitrary code which has high impact to confidentiality, high impact to integrity, high impact to availability, and requires user interaction. \n\t\n\tAtlassian recommends that Sourcetree for Mac and Sourcetree for Windows customers upgrade to latest version, if you are unable to do so, upgrade your instance to one of the specified supported fixed versions:\n\t\t\n\t\t* Sourcetree for Mac and Sourcetree for Windows 3.4: Upgrade to a release greater than or equal to 3.4.13\n\t\t\n\t\t\n\t\n\tSee the release notes (https://www.sourcetreeapp.com/download-archives). You can download the latest version of Sourcetree for Mac and Sourcetree for Windows from the download center (https://www.sourcetreeapp.com/download-archives). \n\t\n\tThis vulnerability was reported via our Bug Bounty program."}, {"lang": "es", "value": "Esta vulnerabilidad RCE (ejecuci\u00f3n remota de c\u00f3digo) de severidad Alta fue introducida en la versi\u00f3n 3.4.11 de Sourcetree para Mac y Sourcetree para Windows.\n\nEsta vulnerabilidad RCE (ejecuci\u00f3n remota de c\u00f3digo), con una puntuaci\u00f3n CVSS de 7.1, permite a un atacante autenticado ejecutar c\u00f3digo arbitrario, lo que tiene alto impacto en la confidencialidad, alto impacto en la integridad, alto impacto en la disponibilidad y requiere interacci\u00f3n del usuario.\n\nAtlassian recomienda que los clientes de Sourcetree para Mac y Sourcetree para Windows actualicen a la \u00faltima versi\u00f3n; si no pueden hacerlo, actualicen su instancia a una de las versiones fijas compatibles especificadas:\n\n* Sourcetree para Mac y Sourcetree para Windows 3.4: Actualizar a una versi\u00f3n mayor o igual a 3.4.13\n\nConsulte las notas de la versi\u00f3n (https://www.sourcetreeapp.com/download-archives). Puede descargar la \u00faltima versi\u00f3n de Sourcetree para Mac y Sourcetree para Windows desde el centro de descargas (https://www.sourcetreeapp.com/download-archives).\n\nEsta vulnerabilidad fue reportada a trav\u00e9s de nuestro programa de recompensas por errores (Bug Bounty)."}], "id": "CVE-2026-21575", "lastModified": "2026-10-24T19:10:00.127", "metrics": {"cvssMetricV30": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 1.2, "impactScore": 5.9, "source": "security@atlassian.com", "type": "Secondary"}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.0, "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:H", "version": "3.1"}, "exploitabilityScore": 2.1, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-21575", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-07-23T00:00:00+00:00", "version": "2.0.3"}}]}, "published": "2026-07-21T18:16:57.170", "references": [{"source": "security@atlassian.com", "tags": ["Vendor Advisory"], "url": "https://confluence.atlassian.com/pages/viewpage.action?pageId=1821999345"}, {"source": "security@atlassian.com", "tags": ["Issue Tracking"], "url": "https://jira.atlassian.com/browse/SRCTREE-8275"}], "sourceIdentifier": "security@atlassian.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-94"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

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