CVE-2026-21575

{
  "id": "CVE-2026-21575",
  "sourceIdentifier": "[email protected]",
  "published": "2026-07-21T18:16:57.170",
  "lastModified": "2026-10-24T19:10:00.127",
  "vulnStatus": "Analyzed",
  "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 (ejecución remota de código) de severidad Alta fue introducida en la versión 3.4.11 de Sourcetree para Mac y Sourcetree para Windows.\n\nEsta vulnerabilidad RCE (ejecución remota de código), con una puntuación CVSS de 7.1, permite a un atacante autenticado ejecutar código arbitrario, lo que tiene alto impacto en la confidencialidad, alto impacto en la integridad, alto impacto en la disponibilidad y requiere interacción del usuario.\n\nAtlassian recomienda que los clientes de Sourcetree para Mac y Sourcetree para Windows actualicen a la última versión; 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 versión mayor o igual a 3.4.13\n\nConsulte las notas de la versión (https://www.sourcetreeapp.com/download-archives). Puede descargar la última versión 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 través de nuestro programa de recompensas por errores (Bug Bounty)."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Atlassian",
          "product": "Sourcetree for Mac",
          "versions": [
            {
              "version": "All versions from 3.4.11 to 3.4.12 inclusive",
              "status": "affected"
            },
            {
              "version": "All versions from 3.4.13",
              "status": "unaffected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H",
          "baseScore": 8.0,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "REQUIRED",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 2.1,
        "impactScore": 5.9
      }
    ],
    "cvssMetricV30": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.0",
          "vectorString": "CVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H",
          "baseScore": 7.1,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "HIGH",
          "privilegesRequired": "LOW",
          "userInteraction": "REQUIRED",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 1.2,
        "impactScore": 5.9
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-07-23T00:00:00+00:00",
          "id": "CVE-2026-21575",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-94"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:atlassian:sourcetree:*:*:*:*:*:macos:*:*",
              "versionStartIncluding": "3.4.11",
              "versionEndExcluding": "3.4.13",
              "matchCriteriaId": "6C25407E-198E-43D6-A752-463CE72E4421"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:atlassian:sourcetree:*:*:*:*:*:windows:*:*",
              "versionStartIncluding": "3.4.11",
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              "matchCriteriaId": "1A3303E7-2F00-4469-91F0-F39DBE138B1F"
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  ],
  "references": [
    {
      "url": "https://confluence.atlassian.com/pages/viewpage.action?pageId=1821999345",
      "source": "[email protected]",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://jira.atlassian.com/browse/SRCTREE-8275",
      "source": "[email protected]",
      "tags": [
        "Issue Tracking"
      ]
    }
  ]
}