FKIE_CVE-2026-39363

Vulnerability from fkie_nvd - Published: 2026-04-07 20:16 - Updated: 2026-07-15 02:20
Severity
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Summary
Vite is a frontend tooling framework for JavaScript. From 6.0.0 to before 6.4.2, 7.3.2, and 8.0.5, if it is possible to connect to the Vite dev server’s WebSocket without an Origin header, an attacker can invoke fetchModule via the custom WebSocket event vite:invoke and combine file://... with ?raw (or ?inline) to retrieve the contents of arbitrary files on the server as a JavaScript string (e.g., export default "..."). The access control enforced in the HTTP request path (such as server.fs.allow) is not applied to this WebSocket-based execution path. This vulnerability is fixed in 6.4.2, 7.3.2, and 8.0.5.
References
security-advisories@github.comhttps://github.com/vitejs/vite/security/advisories/GHSA-p9ff-h696-f583Exploit, Vendor Advisory
0b0ca135-0b70-47e7-9f44-1890c2a1c46chttps://access.redhat.com/errata/RHSA-2026:24761
0b0ca135-0b70-47e7-9f44-1890c2a1c46chttps://access.redhat.com/errata/RHSA-2026:24762
0b0ca135-0b70-47e7-9f44-1890c2a1c46chttps://access.redhat.com/errata/RHSA-2026:24866
0b0ca135-0b70-47e7-9f44-1890c2a1c46chttps://access.redhat.com/security/cve/CVE-2026-39363
0b0ca135-0b70-47e7-9f44-1890c2a1c46chttps://bugzilla.redhat.com/show_bug.cgi?id=2456179
134c704f-9b21-4f2e-91b3-4a467353bcc0https://github.com/vitejs/vite/security/advisories/GHSA-p9ff-h696-f583Exploit, Vendor Advisory
0b0ca135-0b70-47e7-9f44-1890c2a1c46chttps://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-39363.json
Impacted products
Vendor Product Version
vitejs vite *
vitejs vite *
vitejs vite *
voidzero vite\+ *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "vite",
          "vendor": "vitejs",
          "versions": [
            {
              "status": "affected",
              "version": "\u003e= 8.0.0, \u003c 8.0.5"
            },
            {
              "status": "affected",
              "version": "\u003e= 7.0.0, \u003c 7.3.2"
            },
            {
              "status": "affected",
              "version": "\u003e= 6.0.0, \u003c 6.4.2"
            }
          ]
        },
        {
          "product": "vite-plus",
          "vendor": "vitejs",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 0.1.16"
            }
          ]
        }
      ],
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    },
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          "product": "Red Hat Ansible Automation Platform 2.5 for RHEL 8",
          "vendor": "Red Hat",
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            }
          ]
        },
        {
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          "packageName": "automation-gateway",
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          "vendor": "Red Hat",
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              "version": "0:2.5.20260422-3.el9ap",
              "versionType": "rpm"
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          ]
        },
        {
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          "packageName": "automation-platform-ui",
          "product": "Red Hat Ansible Automation Platform 2.6 for RHEL 9",
          "vendor": "Red Hat",
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              "versionType": "rpm"
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          ]
        },
        {
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          "defaultStatus": "affected",
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          "product": "Red Hat Ansible Automation Platform 2.6",
          "vendor": "Red Hat",
          "versions": [
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              "status": "unaffected",
              "version": "1779783248",
              "versionType": "rpm"
            }
          ]
        },
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          "vendor": "Red Hat"
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          "cpes": [
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          ],
          "defaultStatus": "affected",
          "packageName": "ansible-automation-platform-26/gateway-rhel9",
          "product": "Red Hat Ansible Automation Platform 2",
          "vendor": "Red Hat"
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          "packageName": "automation-controller",
          "product": "Red Hat Ansible Automation Platform 2",
          "vendor": "Red Hat"
        },
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          "cpes": [
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          "defaultStatus": "unaffected",
          "packageName": "automation-eda-controller",
          "product": "Red Hat Ansible Automation Platform 2",
          "vendor": "Red Hat"
        },
        {
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          "cpes": [
            "cpe:/a:redhat:build_keycloak:"
          ],
          "defaultStatus": "affected",
          "packageName": "vite",
          "product": "Red Hat Build of Keycloak",
          "vendor": "Red Hat"
        },
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          "packageName": "podman-desktop-macos-1-0",
          "product": "Red Hat Build of Podman Desktop",
          "vendor": "Red Hat"
        },
        {
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          "cpes": [
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          "defaultStatus": "affected",
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        {
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        }
      ],
      "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
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              "matchCriteriaId": "FE1AE8AE-8504-4C45-A361-8EF1F8D573AD",
              "versionEndIncluding": "6.4.1",
              "versionStartIncluding": "6.0.0",
              "vulnerable": true
            },
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              "matchCriteriaId": "8D4169B2-49CC-4174-B1AB-2D61D3441617",
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Vite is a frontend tooling framework for JavaScript. From 6.0.0 to before 6.4.2, 7.3.2, and 8.0.5, if it is possible to connect to the Vite dev server\u2019s WebSocket without an Origin header, an attacker can invoke fetchModule via the custom WebSocket event vite:invoke and combine file://... with ?raw (or ?inline) to retrieve the contents of arbitrary files on the server as a JavaScript string (e.g., export default \"...\"). The access control enforced in the HTTP request path (such as server.fs.allow) is not applied to this WebSocket-based execution path. This vulnerability is fixed in 6.4.2, 7.3.2, and 8.0.5."
    }
  ],
  "id": "CVE-2026-39363",
  "lastModified": "2026-07-15T02:20:45.613",
  "metrics": {
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      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
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        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
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          "confidentialityImpact": "HIGH",
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          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
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          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
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          "attackRequirements": "PRESENT",
          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 8.2,
          "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": "NONE",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/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",
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          "vulnAvailabilityImpact": "NONE",
          "vulnConfidentialityImpact": "HIGH",
          "vulnIntegrityImpact": "NONE",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
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          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-04-08T17:52:54.234521Z",
          "version": "2.0.3"
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  "published": "2026-04-07T20:16:30.000",
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  "vulnStatus": "Modified",
  "weaknesses": [
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          "value": "CWE-200"
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      "type": "Secondary"
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        }
      ],
      "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
      "type": "Secondary"
    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • 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.