FKIE_CVE-2026-32318

Vulnerability from fkie_nvd - Published: 2026-03-20 19:16 - Updated: 2026-03-20 19:16
Severity ?
7.6 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N
Summary
Cryptomator for IOS offers multi-platform transparent client-side encryption for files in the cloud. Prior to version 2.8.3, an integrity check vulnerability allows an attacker tamper with the vault configuration file leading to a man-in-the-middle vulnerability in Hub key loading mechanism. Before this fix, the client trusted endpoints from the vault config without host authenticity checks, which could allow token exfiltration by mixing a legitimate auth endpoint with a malicious API endpoint. Impacted are users unlocking Hub-backed vaults with affected client versions in environments where an attacker can alter the vault.cryptomator file. This issue has been patched in version 2.8.3.
References
security-advisories@github.comhttps://github.com/cryptomator/ios/commit/98c31280304af65c0932eb547d5fe4be2d16929c
security-advisories@github.comhttps://github.com/cryptomator/ios/pull/444
security-advisories@github.comhttps://github.com/cryptomator/ios/releases/tag/2.8.3
security-advisories@github.comhttps://github.com/cryptomator/ios/security/advisories/GHSA-g7fr-c82r-hm6j
Impacted products
Vendor Product Version
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{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Cryptomator for IOS offers multi-platform transparent client-side encryption for files in the cloud. Prior to version 2.8.3, an integrity check vulnerability allows an attacker tamper with the vault configuration file leading to a man-in-the-middle vulnerability in Hub key loading mechanism. Before this fix, the client trusted endpoints from the vault config without host authenticity checks, which could allow token exfiltration by mixing a legitimate auth endpoint with a malicious API endpoint. Impacted are users unlocking Hub-backed vaults with affected client versions in environments where an attacker can alter the vault.cryptomator file. This issue has been patched in version 2.8.3."
    }
  ],
  "id": "CVE-2026-32318",
  "lastModified": "2026-03-20T19:16:16.277",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 7.6,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "LOW",
          "privilegesRequired": "LOW",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.3,
        "impactScore": 4.7,
        "source": "security-advisories@github.com",
        "type": "Secondary"
      }
    ]
  },
  "published": "2026-03-20T19:16:16.277",
  "references": [
    {
      "source": "security-advisories@github.com",
      "url": "https://github.com/cryptomator/ios/commit/98c31280304af65c0932eb547d5fe4be2d16929c"
    },
    {
      "source": "security-advisories@github.com",
      "url": "https://github.com/cryptomator/ios/pull/444"
    },
    {
      "source": "security-advisories@github.com",
      "url": "https://github.com/cryptomator/ios/releases/tag/2.8.3"
    },
    {
      "source": "security-advisories@github.com",
      "url": "https://github.com/cryptomator/ios/security/advisories/GHSA-g7fr-c82r-hm6j"
    }
  ],
  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Received",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-346"
        },
        {
          "lang": "en",
          "value": "CWE-354"
        },
        {
          "lang": "en",
          "value": "CWE-451"
        },
        {
          "lang": "en",
          "value": "CWE-923"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Primary"
    }
  ]
}


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