FKIE_CVE-2026-2638

Vulnerability from fkie_nvd - Published: 2026-06-09 13:16 - Updated: 2026-07-23 08:10
Severity
7.3 (High) - CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Summary
A vulnerability in the quarantine and restore workflow of the X-VPN macOS website versions 77.0 through 77.5 allow a local attacker to leverage a race condition and symlink manipulation to achieve privileged file corruption.
References
help@fluidattacks.comhttps://fluidattacks.com/es/advisories/soad
help@fluidattacks.comhttps://xvpn.io/
help@fluidattacks.comhttps://xvpn.io/download/vpn-mac
help@fluidattacks.comhttps://xvpn.io/resources/statement-local-privilege-escalation-vulnerability
134c704f-9b21-4f2e-91b3-4a467353bcc0https://fluidattacks.com/es/advisories/soad
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "platforms": [
            "MacOS"
          ],
          "product": "X-VPN macOS website",
          "vendor": "X-VPN",
          "versions": [
            {
              "lessThanOrEqual": "77.5",
              "status": "affected",
              "version": "77.0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "help@fluidattacks.com"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability in the quarantine and restore workflow of the X-VPN macOS website versions 77.0 through 77.5 allow a local attacker to leverage a race condition and symlink manipulation to achieve privileged file corruption."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad en el flujo de trabajo de cuarentena y restauraci\u00f3n de las versiones 77.0 a 77.5 del sitio web de X-VPN para macOS permite a un atacante local aprovechar una condici\u00f3n de carrera y la manipulaci\u00f3n de enlaces simb\u00f3licos para lograr la corrupci\u00f3n de archivos privilegiados."
    }
  ],
  "id": "CVE-2026-2638",
  "lastModified": "2026-07-23T08:10:00.137",
  "metrics": {
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "LOW",
          "attackRequirements": "PRESENT",
          "attackVector": "LOCAL",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 7.3,
          "baseSeverity": "HIGH",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "LOW",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "version": "4.0",
          "vulnAvailabilityImpact": "HIGH",
          "vulnConfidentialityImpact": "HIGH",
          "vulnIntegrityImpact": "HIGH",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "help@fluidattacks.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-2638",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-06-09T12:59:54.492284Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-06-09T13:16:35.680",
  "references": [
    {
      "source": "help@fluidattacks.com",
      "url": "https://fluidattacks.com/es/advisories/soad"
    },
    {
      "source": "help@fluidattacks.com",
      "url": "https://xvpn.io/"
    },
    {
      "source": "help@fluidattacks.com",
      "url": "https://xvpn.io/download/vpn-mac"
    },
    {
      "source": "help@fluidattacks.com",
      "url": "https://xvpn.io/resources/statement-local-privilege-escalation-vulnerability"
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "url": "https://fluidattacks.com/es/advisories/soad"
    }
  ],
  "sourceIdentifier": "help@fluidattacks.com",
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-367"
        }
      ],
      "source": "help@fluidattacks.com",
      "type": "Secondary"
    }
  ]
}



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