FKIE_CVE-2026-47429

Vulnerability from fkie_nvd - Published: 2026-07-14 20:17 - Updated: 2026-07-14 20:17
Severity
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
Vitest is a testing framework powered by Vite. Prior to 3.2.5 and 4.1.0, the Vitest UI/API server on Windows used isFileServingAllowed incorrectly for /__vitest_attachment__, allowing \\?\\..\\ path traversal to read files outside the project; exposed API write and rerun features such as saveTestFile and rerun could also allow arbitrary script execution. This issue is fixed in versions 3.2.5 and 4.1.0.
References
security-advisories@github.comhttps://github.com/vitest-dev/vitest/commit/20e00ef7808de6d330c5e2fda530f686e08f1c8d
security-advisories@github.comhttps://github.com/vitest-dev/vitest/commit/af88b1f5d82844a4761ea9a977156c98e2b14ca8
security-advisories@github.comhttps://github.com/vitest-dev/vitest/pull/10445
security-advisories@github.comhttps://github.com/vitest-dev/vitest/pull/9350
security-advisories@github.comhttps://github.com/vitest-dev/vitest/releases/tag/v3.2.5
security-advisories@github.comhttps://github.com/vitest-dev/vitest/releases/tag/v4.1.0
security-advisories@github.comhttps://github.com/vitest-dev/vitest/security/advisories/GHSA-5xrq-8626-4rwp
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "vitest",
          "vendor": "vitest-dev",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 3.2.5"
            },
            {
              "status": "affected",
              "version": "\u003e= 4.0.0, \u003c 4.1.0"
            }
          ]
        }
      ],
      "source": "security-advisories@github.com"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Vitest is a testing framework powered by Vite. Prior to 3.2.5 and 4.1.0, the Vitest UI/API server on Windows used isFileServingAllowed incorrectly for /__vitest_attachment__, allowing \\\\?\\\\..\\\\ path traversal to read files outside the project; exposed API write and rerun features such as saveTestFile and rerun could also allow arbitrary script execution. This issue is fixed in versions 3.2.5 and 4.1.0."
    }
  ],
  "id": "CVE-2026-47429",
  "lastModified": "2026-07-14T20:17:02.460",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "security-advisories@github.com",
        "type": "Secondary"
      }
    ]
  },
  "published": "2026-07-14T20:17:02.460",
  "references": [
    {
      "source": "security-advisories@github.com",
      "url": "https://github.com/vitest-dev/vitest/commit/20e00ef7808de6d330c5e2fda530f686e08f1c8d"
    },
    {
      "source": "security-advisories@github.com",
      "url": "https://github.com/vitest-dev/vitest/commit/af88b1f5d82844a4761ea9a977156c98e2b14ca8"
    },
    {
      "source": "security-advisories@github.com",
      "url": "https://github.com/vitest-dev/vitest/pull/10445"
    },
    {
      "source": "security-advisories@github.com",
      "url": "https://github.com/vitest-dev/vitest/pull/9350"
    },
    {
      "source": "security-advisories@github.com",
      "url": "https://github.com/vitest-dev/vitest/releases/tag/v3.2.5"
    },
    {
      "source": "security-advisories@github.com",
      "url": "https://github.com/vitest-dev/vitest/releases/tag/v4.1.0"
    },
    {
      "source": "security-advisories@github.com",
      "url": "https://github.com/vitest-dev/vitest/security/advisories/GHSA-5xrq-8626-4rwp"
    }
  ],
  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Received",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-22"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Primary"
    }
  ]
}



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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.